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China factory 2021 New Design Energy Save AC Power Oil Injected 90kw 0.7MPa Screw Air Compressor for Painting air compressor lowes

Product Description

2571 New Design Energy Save Ac Power Oil Injected 90kw 0.7mpa Screw Air Compressor for Painting

Before quotation:
1.Before quoting, what should users offer?
1).Discharge pressure (Bar, Mpa or Psi)
2).Air discharge/Air flow/Air capacity (m3/min or CFM)
3).Power supply (220/380V, 50/60Hz, 3Phase)

2.If I don’t know the pressure and air flow, what should I do?
1).Take the picture of nameplate, we will advise the suitable air compressor to you.
2).Tell us what industry you are, we can advise the suitable 1 (so as to air tank / air dryer / air filters).
 
High Efficiency PM Motor and Energy Saving
*With the high-performance permanent magnet material, PM motor won’t lose magnetism even under 120°c and can run for more than 15 years.
*No motor bearing: permanent magnet rotors is installed directly on the stretch out shaft of Male rotor. This structure doesn’t have the bearing and eliminates the motor bearing fault. 
*Comparing to normal variable speed motor, the permanent magnet synchronous motor performs with even better energy efficiency. Especially in the low-speed condition, it can still maintain a high motor efficiency.

SHIPPING
Delivery: time 5-25 working days after payment receipt confirmed(based on actual quantity)
packing:standard export packing. or customized packing as your
Professional: goods shipping forwarder.

FAQ
Q: OEM/ODM, or customers logo printed is available?
Yes, OEM/ODM, customers logo is welcomed.

Q:  Delivery date?
Usually 5-25 workdays after receiving deposit, specific delivery date based on order quantity

Q: what’s your payment terms?
Regularly doing 30% deposit and 70% balance by T/T, Western Union, Paypal, other payment terms also can be discussed based on our cooperation.

Q: How to control your quality?
We have professional QC team, control the quality during the mass production and inspect completely goods before shipping.

Q:  If we don’t have shipping forwarder in China, would you do this for us?
We can offer you best shipping line to ensure you can get the goods timely at best price.

Q: come to China before, can you be my guide in China?
We are happy to provide you orservice, such as booking ticket, pick up at the airport, booking hotel, accompany visiting market or factory

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After-sales Service: Video Technical Support
Warranty: 1 Year
Lubrication Style: Oil-less
Cooling System: Air Cooling
Power Source: AC Power
Cylinder Position: Horizontal
Customization:
Available

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air compressor

How Does Variable Speed Control Work in Screw Compressors?

Variable speed control in screw compressors is a technology that allows the compressor’s rotational speed to be adjusted according to the compressed air or gas demand. This control method offers several benefits in terms of energy efficiency and system performance. Here’s a detailed explanation:

Variable speed control, also known as variable frequency drive (VFD) or inverter control, works by adjusting the speed of the compressor’s drive motor. The drive motor is typically an electric motor that powers the rotation of the compressor’s screw rotors.

The key components and operation of variable speed control in screw compressors are as follows:

  • 1. Drive Motor: The drive motor is connected to the compressor’s screw rotors and provides the rotational power required for compression. It is an electric motor capable of operating at variable speeds.
  • 2. Inverter or Variable Frequency Drive (VFD): The inverter or VFD is an electronic device that controls the speed of the drive motor. It converts the incoming electrical power into adjustable frequency and voltage, allowing precise control of the motor’s rotational speed.
  • 3. Control System: The control system of the screw compressor monitors and adjusts the speed of the drive motor based on the compressed air or gas demand. It receives input signals from sensors that measure parameters such as pressure, flow rate, or system demand, and sends corresponding signals to the inverter or VFD to regulate the motor speed.
  • 4. Speed Adjustment: When the demand for compressed air or gas decreases, the control system reduces the motor speed by decreasing the frequency and voltage supplied by the inverter or VFD. This results in a lower rotational speed of the screw rotors, reducing the compression capacity and power consumption of the compressor.
  • 5. Energy Efficiency: Variable speed control allows the compressor to match the output to the actual demand, avoiding energy wastage associated with constant-speed compressors. By operating at lower speeds during periods of lower demand, energy consumption can be significantly reduced. This energy-saving capability is particularly advantageous in applications with varying air or gas requirements.
  • 6. Smooth Operation: Variable speed control enables smooth and gradual motor acceleration and deceleration, minimizing mechanical stress on the compressor components and reducing the likelihood of sudden pressure surges or system shutdowns.
  • 7. System Stability: By adjusting the compressor’s speed to match the demand, variable speed control helps maintain stable system pressure and prevents excessive cycling of the compressor. This contributes to improved system performance and longevity.

It’s worth noting that variable speed control is more commonly found in larger screw compressors used in industrial and commercial applications. Smaller screw compressors may utilize fixed-speed motors due to cost considerations or simpler system requirements.

Overall, variable speed control in screw compressors offers precise capacity modulation, improved energy efficiency, enhanced system stability, and reduced maintenance requirements, making it a preferred choice in many applications where compressed air or gas demand fluctuates.

air compressor

Can Screw Compressors Be Used for Refrigeration?

Yes, screw compressors can be used for refrigeration applications. Here’s a detailed explanation:

Screw compressors are versatile and widely used in various industrial applications, including refrigeration. They are known for their efficiency, reliability, and ability to handle high-capacity refrigeration systems. Screw compressors work by compressing refrigerant gas, increasing its pressure and temperature, and then transferring the heat to the surrounding environment.

Here are some key points regarding the use of screw compressors in refrigeration:

1. Industrial Refrigeration Systems:

Screw compressors are commonly employed in large-scale industrial refrigeration systems, such as those used in cold storage facilities, food processing plants, beverage production, and HVAC systems for commercial buildings. These systems require high cooling capacities and continuous operation, making screw compressors an ideal choice.

2. Positive Displacement Compressors:

Screw compressors belong to the category of positive displacement compressors. They use two interlocking helical rotors (screws) to trap and compress the refrigerant gas. This design ensures a continuous flow of refrigerant and allows for efficient compression over a wide range of operating conditions.

3. Oil-Injected and Oil-Free Types:

Screw compressors can be either oil-injected or oil-free. Oil-injected screw compressors use oil for lubrication and cooling, which helps reduce friction and extend the compressor’s lifespan. In contrast, oil-free screw compressors use specialized coatings and materials to eliminate the need for oil, making them suitable for applications where oil contamination is a concern, such as in the pharmaceutical or food industries.

4. Multi-Stage Compression:

In refrigeration applications, screw compressors are often used in multi-stage configurations to achieve higher pressure ratios and improve overall system efficiency. Multi-stage compression involves compressing the refrigerant gas in multiple stages, typically with intermediate cooling between each stage, to reduce the work required for compression and enhance system performance.

5. Variable Speed Control:

Screw compressors can be equipped with variable speed drives (VSD) that allow for precise control of the compressor’s rotational speed. VSD technology enables the compressor to adjust its capacity according to the refrigeration load, resulting in energy savings and improved system performance.

6. System Integration:

Screw compressors are often integrated into complex refrigeration systems, working in tandem with other components such as condensers, evaporators, expansion valves, and control systems. This integration ensures efficient heat transfer, proper refrigerant flow, and effective temperature control.

It’s important to note that the selection of a screw compressor for refrigeration applications should consider factors such as cooling capacity requirements, operating conditions, refrigerant type, system configuration, and specific industry regulations.

In summary, screw compressors are well-suited for refrigeration applications, especially in industrial settings. Their efficiency, reliability, and capacity make them a popular choice for large-scale refrigeration systems. Whether in cold storage facilities, food processing plants, or HVAC systems, screw compressors play a crucial role in maintaining optimal temperatures and preserving perishable goods.

air compressor

What Are the Maintenance Requirements for Screw Compressors?

Screw compressors require regular maintenance to ensure optimal performance, reliability, and longevity. Here’s a detailed overview of the maintenance requirements for screw compressors:

  • 1. Lubrication: Screw compressors rely on proper lubrication to reduce friction, minimize wear, and maintain efficient operation. Regular lubrication of the rotor bearings, seals, and other moving parts is essential. The type and frequency of lubrication may vary depending on the compressor’s design and manufacturer’s recommendations.
  • 2. Filter Replacement: Screw compressors have intake filters that prevent dust, debris, and contaminants from entering the compression chamber. These filters need to be inspected regularly and replaced or cleaned as necessary to ensure unrestricted airflow and prevent damage to the compressor components.
  • 3. Cooling System Maintenance: Screw compressors may have cooling systems, such as air or water coolers, to dissipate heat generated during compression. The cooling system should be inspected periodically, and any blockages or leaks should be addressed promptly to maintain optimal cooling efficiency.
  • 4. Inspection of Belts and Couplings: If the screw compressor is belt-driven or connected through couplings, regular inspection of belts, pulleys, and couplings is necessary. Worn or damaged belts should be replaced, and couplings should be checked for alignment and tightness to ensure smooth power transmission.
  • 5. Cleaning of Heat Exchangers: Heat exchangers in screw compressors, such as intercoolers and aftercoolers, can accumulate dirt, scale, and other deposits over time. Regular cleaning of these heat exchangers is important to maintain their heat transfer efficiency and prevent overheating of the compressed air or gas.
  • 6. Inspection of Seals and Gaskets: The seals and gaskets in a screw compressor play a critical role in maintaining proper compression and preventing air or gas leakage. Regular inspection of these components is necessary to detect any signs of wear, damage, or leakage. Faulty seals or gaskets should be replaced promptly to maintain the compressor’s efficiency.
  • 7. Regular Performance Testing: Periodic performance testing of screw compressors is recommended to assess their operating parameters, such as discharge pressure, flow rate, and power consumption. This helps identify any deviations from the expected performance and allows for adjustments or repairs as needed.

It’s important to note that the specific maintenance requirements for screw compressors may vary depending on the compressor’s design, manufacturer’s recommendations, operating conditions, and usage. Consulting the compressor’s manual and following the manufacturer’s guidelines is crucial for maintaining the compressor effectively and ensuring its reliable operation over time.

China factory 2021 New Design Energy Save AC Power Oil Injected 90kw 0.7MPa Screw Air Compressor for Painting   air compressor lowesChina factory 2021 New Design Energy Save AC Power Oil Injected 90kw 0.7MPa Screw Air Compressor for Painting   air compressor lowes
editor by CX 2024-04-04

China OEM Dental Water Filter Dental Air Reduce Valve Air Filter Regulator Compressor Gas-Pressure Meter for Dental Chair Unit Equipment air compressor lowes

Product Description

Product Parameters

Dental Water Filter Dental Air Reduce Valve Air Filter Regulator Compressor Gas-Pressure Meter For Dental Chair Unit Equipment

Maximum working pressure 1.0Mpa Environment and fluid temperature 5/60 degrees
Recommended oil Turbine No.1 oil Pressure regulation range 0.05~0.85Mpa

Item Name:Dental Water Filter
Maximum working pressure: 1.0Mpa
Environment and fluid temperature: 5/60 degrees
Recommended oil: Turbine No. 1 oil
Pressure regulation range: 0.05 ~ 0.85Mpa
Maintenance method: Remove the PC cup and wipe it with a clean dry cloth. Do not use any chemicals that damage the PC material to clean it.


FAQ:

Do you provide OEM services?
Yes, we will do our best to meet your needs.

When will the goods be sent?
Normally 3-5 working days CHINAMFG receiving payment; for a large order, further negotiation is necessary.

What are your acceptable terms of payment? 
TT/ Western Union/ Money gram/Trade assurance

Can I get a discount for a large number of orders?
Yes.we will according the items quantity offer discount

How to ship the goods?
By express like DHL, FEDEX, UPS, EMS, Aramex, China post

Do your products meet the standards and certifications of the dental industry?
Yes ,We have obtained the medical device production license, as well as the ISO13485 quality certification.

How long is the warranty?
The warranty has been specified in product details of every product.

Do you provide technical support and after-sales service? 
Yes, we do.

What are the advantages of the product compared to the competition?
Our products are our own research and development, which can ensure the delivery time, after-sales of follow-up products, product updates and upgrades, and market price control.

What’s your MOQ? 
1Piece which allows you to test our quality first at a low cost.

What is the order process?
We will provide our product brochure for you to choose the products you need, after we receive your product order, we will provide you with a quotation according to your purchase quantity, after the quotation is confirmed, we will provide you with a formal contract according to the details of the final product quantity.
You confirm the contract, after paying the deposit, we will start to arrange the order production.
After the order is completed, we will provide some product packaging pictures and packing list to you.
After paying the balance, we will ship the goods to the shipping address you provided.
We will provide you with a tracking number after delivery. After you receive the goods, you verify that the goods are the same as the order. Confirm that the quantity of the product is correct and complete the transaction.

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Condition: New
Certification: ISO, ISO13485
Application: Pet, Adult, Child
Nature: Public Equipment
Feature: Waterproof
Usage Times: Non-Disposable
Samples:
US$ 6/Piece
1 Piece(Min.Order)

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Request Sample

Customization:
Available

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air compressor

What Is the Typical Lifespan of a Gas Air Compressor?

The typical lifespan of a gas air compressor can vary depending on several factors, including the quality of the compressor, its usage patterns, maintenance practices, and environmental conditions. However, with proper care and maintenance, a gas air compressor can last for many years. Here’s a detailed explanation of the factors that can affect the lifespan of a gas air compressor:

1. Quality of the Compressor:

The quality and construction of the gas air compressor play a significant role in determining its lifespan. Compressors made with high-quality materials, precision engineering, and robust components are generally more durable and can withstand heavy usage over an extended period.

2. Usage Patterns:

The usage patterns of the gas air compressor can impact its lifespan. If the compressor is used consistently and for extended periods, it may experience more wear and tear compared to compressors used intermittently or for lighter tasks. Heavy-duty applications, such as continuous operation with high-demand tools, can put more strain on the compressor and potentially reduce its lifespan.

3. Maintenance Practices:

Regular maintenance is crucial for extending the lifespan of a gas air compressor. Following the manufacturer’s recommended maintenance schedule, performing routine tasks like oil changes, filter cleaning/replacement, and inspection of components can help prevent issues and ensure optimal performance. Neglecting maintenance can lead to accelerated wear and potential breakdowns.

4. Environmental Conditions:

The operating environment can significantly impact the lifespan of a gas air compressor. Factors such as temperature extremes, humidity levels, presence of dust or debris, and exposure to corrosive substances can affect the compressor’s components and overall performance. Compressors used in harsh environments may require additional protection or specialized maintenance to mitigate these adverse conditions.

5. Proper Installation and Operation:

Proper installation and correct operation of the gas air compressor are essential for its longevity. Following the manufacturer’s guidelines for installation, ensuring proper ventilation, maintaining correct oil levels, and operating within the compressor’s specified capacity and pressure limits can help prevent excessive strain and premature wear.

Considering these factors, a well-maintained gas air compressor can typically last anywhere from 10 to 15 years or even longer. However, it’s important to note that this is a general estimate, and individual results may vary. Some compressors may experience shorter lifespans due to heavy usage, inadequate maintenance, or other factors, while others may last well beyond the expected lifespan with proper care and favorable conditions.

Ultimately, investing in a high-quality gas air compressor, adhering to recommended maintenance practices, and using it within its intended capabilities can help maximize its lifespan and ensure reliable performance for an extended period.

air compressor

Can Gas Air Compressors Be Used for Gas Line Maintenance?

Gas air compressors can be used for certain aspects of gas line maintenance, primarily for tasks that require compressed air. Here’s a detailed explanation:

1. Clearing Debris and Cleaning:

Gas air compressors can be utilized to clear debris and clean gas lines. Compressed air can be directed through the gas lines to dislodge and remove dirt, dust, rust particles, or other contaminants that may accumulate over time. This helps maintain the integrity and efficiency of the gas lines.

2. Pressure Testing:

Gas line maintenance often involves pressure testing to ensure the lines can withstand the required operating pressures. Gas air compressors can provide the necessary compressed air to pressurize the lines for testing purposes. By pressurizing the gas lines with compressed air, technicians can identify any leaks or weaknesses in the system.

3. Leak Detection:

Gas air compressors can also be used in conjunction with appropriate leak detection equipment to identify and locate gas leaks in the gas lines. Compressed air can be introduced into the lines, and the detection equipment can then identify any areas where the compressed air escapes, indicating a potential gas leak.

4. Valve and Equipment Maintenance:

Gas line maintenance may involve the inspection, maintenance, or replacement of valves and associated equipment. Compressed air can be used to clean and blow out debris from valves, purge lines, or assist in the disassembly and reassembly of components.

5. Pipe Drying:

Gas air compressors can aid in drying gas lines after maintenance or repairs. By blowing compressed air through the lines, any residual moisture can be removed, ensuring the gas lines are dry before being put back into service.

6. Precautions and Regulations:

When using gas air compressors for gas line maintenance, it is essential to follow safety precautions and adhere to relevant regulations. Gas line maintenance often involves working in hazardous environments, and proper training, equipment, and procedures must be followed to ensure the safety of personnel and the integrity of the gas system.

It is important to note that gas air compressors should not be used directly for pressurizing or transporting natural gas or other combustible gases. Gas line maintenance tasks involving gas air compressors primarily focus on using compressed air for specific maintenance and testing purposes, as outlined above.

In summary, gas air compressors can be useful for certain aspects of gas line maintenance, including clearing debris, pressure testing, leak detection, valve and equipment maintenance, and pipe drying. However, it is crucial to follow safety guidelines and regulations when working with gas lines and compressed air to ensure the safety and integrity of the gas system.

air compressor

Are There Different Types of Gas Air Compressors Available?

Yes, there are different types of gas air compressors available, each designed to suit specific applications and requirements. These different types vary in terms of design, power source, configuration, and intended use. Here’s a detailed explanation of the various types of gas air compressors:

1. Reciprocating Gas Air Compressors:

Reciprocating gas air compressors, also known as piston compressors, use a reciprocating motion of one or more pistons to compress the air. These compressors are commonly used for small to medium-scale applications and are available in both single-stage and two-stage configurations. Single-stage compressors compress the air in a single stroke, while two-stage compressors use an additional cylinder for further compression, resulting in higher pressures.

2. Rotary Screw Gas Air Compressors:

Rotary screw gas air compressors utilize two interlocking helical screws to compress the air. These compressors are known for their continuous and efficient operation, making them suitable for demanding industrial applications. They are often used in industries such as manufacturing, construction, and automotive where a constant supply of compressed air is required.

3. Rotary Vane Gas Air Compressors:

Rotary vane gas air compressors use a rotor with sliding vanes to compress the air. As the rotor rotates, the vanes slide in and out, creating compression chambers that compress the air. These compressors are compact, reliable, and often used for smaller-scale applications or in situations where space is limited.

4. Centrifugal Gas Air Compressors:

Centrifugal gas air compressors operate by accelerating the air using a high-speed impeller. The accelerated air is then redirected into a diffuser, which converts the velocity energy into pressure energy. These compressors are commonly used for large-scale applications requiring high volumes of compressed air, such as in power plants, refineries, or chemical processing industries.

5. Oil-Free Gas Air Compressors:

Oil-free gas air compressors are designed to provide clean, oil-free compressed air. They feature special sealing mechanisms and materials to prevent oil contamination in the compressed air. These compressors are commonly used in industries where oil-free air is essential, such as food and beverage processing, pharmaceuticals, electronics manufacturing, and painting applications.

6. Portable Gas Air Compressors:

Portable gas air compressors are specifically designed for mobility and ease of transportation. These compressors often feature wheels, handles, or trailers for convenient movement. They are commonly used in construction sites, remote job locations, outdoor events, or other situations where compressed air is needed at different locations.

7. High-Pressure Gas Air Compressors:

High-pressure gas air compressors are designed to generate compressed air at elevated pressures. These compressors are used in applications that require air pressure higher than the standard range, such as in diving operations, breathing air systems, or specialized industrial processes.

8. Biogas Air Compressors:

Biogas air compressors are specifically designed to compress biogas, which is generated from the decomposition of organic matter. These compressors are used in biogas production facilities, landfills, wastewater treatment plants, or agricultural operations where biogas is produced and utilized as an energy source.

These are just a few examples of the different types of gas air compressors available. Each type has its own advantages and is suitable for specific applications based on factors such as required airflow, pressure, mobility, oil-free operation, and environmental considerations. It’s important to choose the appropriate type of gas air compressor based on the specific needs of the application to ensure optimal performance and efficiency.

China OEM Dental Water Filter Dental Air Reduce Valve Air Filter Regulator Compressor Gas-Pressure Meter for Dental Chair Unit Equipment   air compressor lowesChina OEM Dental Water Filter Dental Air Reduce Valve Air Filter Regulator Compressor Gas-Pressure Meter for Dental Chair Unit Equipment   air compressor lowes
editor by CX 2024-03-27

China wholesaler Air-Compressors Stationary Factory Directly Sale Rotary Screw Air Compressor air compressor lowes

Product Description

Product Description

1.  ZEGA air compressors   is relatively affordable and suitable for mid to low end users.
2. Excellent performance in energy conservation, with extremely high stability and reliability.
3. Maintenance is relatively simple, and the maintenance guarantee system is complete, with high quality after-sales service.

Main Technical Features

1. ZEGA air compressors are the most cost-effective air compressors, with stable quality and lower price, acceptable by most customers.
2. The air displacement is 6%-10% bigger than other brand, so the drilling speed is more quick, also more stable when drilling hard rock.
3. To be honest, after 1-2 years using, the head temperature will be easily rise, so when the outdoor temperature more than 30 Degrees Celsius,it will stop working, but our compressors don’t have this problem, that also is the main reason why customers  choose it. 
4. ZEGA Air compressors are commonly used in water well drilling, rock drilling, mining drilling areas and so on. Air compressor is the main body to provide air source power for percussive water well drilling rig, provide certain air volume and pressure for DTH drilling rig.

Detailed Photos

MACHINE HEAD

ENGINE

GAS STORAGE PRESSURE TANK

Packaging & Shipping

To better ensure the safety of your goods,professional,environmentally friendly,convenient and efficient packinging services will be provided.

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After-sales Service: Supplied
Warranty: 1 Year
Principle: Twin-Screw Compressor
Mute: Mute
Lubrication Style: Lubricated
Configuration: Stationary
Customization:
Available

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air compressor

What Safety Precautions Should Be Taken When Operating Screw Compressors?

When operating screw compressors, it is important to follow specific safety precautions to ensure the well-being of personnel and prevent potential accidents. Here’s a detailed explanation:

1. Familiarize Yourself with the Equipment:

  • Before operating a screw compressor, thoroughly read and understand the manufacturer’s instructions, safety guidelines, and operating procedures. Familiarize yourself with the specific features, controls, and safety devices of the compressor.

2. Wear Appropriate Personal Protective Equipment (PPE):

  • Wear the necessary PPE, such as safety glasses, hearing protection, gloves, and appropriate clothing, when operating the compressor. PPE helps protect against potential hazards, including flying debris, noise, and contact with hot or moving parts.

3. Ensure Proper Ventilation:

  • Operate the screw compressor in a well-ventilated area to prevent the buildup of potentially harmful gases or fumes. Ensure that the compressor’s intake and exhaust vents are not obstructed, allowing for adequate airflow.

4. Compressor Location:

  • Position the compressor on a stable and level surface to prevent tipping or instability during operation. Ensure that the compressor is located away from flammable materials, heat sources, or sources of ignition.

5. Electrical Safety:

  • Follow electrical safety guidelines and ensure that the compressor is properly grounded. Avoid using damaged or frayed electrical cords and ensure that the electrical connections are secure.

6. Lockout/Tagout Procedures:

  • Before performing any maintenance or repair tasks on the compressor, follow lockout/tagout procedures to isolate electrical power and prevent accidental startup. Lockout/tagout procedures help protect against unexpected energization of the compressor or its components.

7. Pressure Relief:

  • Before performing any maintenance tasks or opening the compressor, ensure that all pressure has been relieved from the system. Follow proper procedures for depressurizing the compressor and associated piping to avoid sudden releases of pressure.

8. Hot Surfaces:

  • Be cautious of hot surfaces, such as compressor casings, piping, or discharge components. Allow sufficient cooling time before touching or performing maintenance tasks on hot surfaces to avoid burns.

9. Maintenance and Inspection:

  • Adhere to the manufacturer’s recommended maintenance schedule and perform regular inspections of the compressor. Replace any worn or damaged components promptly to prevent potential hazards or malfunctions.

10. Emergency Procedures:

  • Be familiar with emergency procedures, including how to shut down the compressor in case of an emergency, how to respond to leaks or spills, and how to handle fire or electrical incidents. Have emergency contact information readily available.

11. Training and Qualified Personnel:

  • Ensure that operators and maintenance personnel are adequately trained in the safe operation and maintenance of screw compressors. Only allow qualified personnel to perform maintenance or repair tasks.

It is essential to consult the specific safety guidelines provided by the manufacturer of the screw compressor as they may include additional precautions or recommendations.

In summary, when operating screw compressors, it is important to familiarize yourself with the equipment, wear appropriate PPE, ensure proper ventilation, follow electrical safety measures, implement lockout/tagout procedures, be cautious of hot surfaces, perform regular maintenance and inspections, and be prepared with emergency procedures. By following these safety precautions, the risk of accidents or injuries can be minimized, ensuring a safe working environment when operating screw compressors.

air compressor

How Do You Maintain the Air Quality in a Screw Compressor System?

Maintaining air quality in a screw compressor system is crucial to ensure the performance, efficiency, and reliability of the compressed air. Here’s a detailed explanation:

1. Proper Intake Filtration:

Install high-quality intake filters to prevent contaminants, such as dust, dirt, and debris, from entering the screw compressor system. These filters should have an appropriate filtration rating to effectively capture particles of the desired size. Regularly inspect and clean or replace the intake filters to maintain their effectiveness.

2. Compressed Air Dryers:

Use compressed air dryers, such as refrigerated dryers or desiccant dryers, to remove moisture from the compressed air. Moisture can lead to corrosion, damage to pneumatic equipment, and compromised air quality. The type of dryer selected depends on the specific application requirements and the desired level of moisture removal.

3. Oil Removal Filters:

In oil-injected screw compressors, oil is used for lubrication, which can contaminate the compressed air. Install oil removal filters downstream of the compressor to remove any oil carryover from the compressed air. These filters typically use coalescing technology to separate and trap oil particles, ensuring clean air quality.

4. Condensate Management:

Effectively manage condensate, which is formed when moisture in the compressed air condenses as it cools. Install condensate drains and separators to remove and properly dispose of condensate. Improper condensate management can lead to water contamination in the compressed air system.

5. Regular Maintenance:

Perform regular maintenance tasks as recommended by the manufacturer, including oil changes, filter replacements, and inspections. Proper maintenance helps ensure that the compressor system operates efficiently and minimizes the risk of contaminants entering the compressed air.

6. Air Receiver Tank Maintenance:

If the screw compressor system includes an air receiver tank, regularly inspect and clean the tank to remove any accumulated debris or contaminants. Additionally, ensure that the tank’s drain valve is functioning correctly to remove any water or condensate from the tank.

7. Leak Detection and Repair:

Regularly inspect the compressed air system for leaks. Leaks not only waste energy but also allow contaminants from the surrounding environment to enter the system. Use appropriate leak detection methods, such as ultrasonic detectors or soapy water solutions, to identify and promptly repair any leaks.

8. Monitor and Control Operating Conditions:

Monitor and maintain proper operating conditions within the screw compressor system. This includes monitoring discharge pressure, temperature, and other relevant parameters to ensure they are within acceptable ranges. Implement appropriate control strategies, such as regulating compressor capacity or adjusting dryer settings, to optimize air quality while meeting the specific application requirements.

9. Training and Awareness:

Provide training to operators and maintenance personnel on the importance of air quality in a screw compressor system. Ensure they understand proper maintenance procedures, the significance of filtration, and how to identify and address potential air quality issues.

10. Compliance with Regulations:

Be aware of and comply with relevant regulations and standards governing air quality in your specific industry or application. This may include adherence to guidelines such as ISO 8573, which specifies air purity classes for different contaminants in compressed air systems.

By following these practices, you can maintain the air quality in a screw compressor system, ensuring clean, reliable, and high-quality compressed air for various applications.

air compressor

Are There Different Types of Screw Compressors?

Yes, there are different types of screw compressors available, catering to various application requirements. Here’s an overview of the main types:

1. Oil-Injected Screw Compressors:

Oil-injected screw compressors, also known as lubricated screw compressors, are the most common type. These compressors require the injection of a small amount of lubricating oil into the compression chamber. The oil serves multiple purposes, including lubrication, cooling, sealing, and reducing friction between the rotors. Oil-injected screw compressors are widely used in industrial applications where a small amount of oil in the compressed air is acceptable.

2. Oil-Free Screw Compressors:

Oil-free screw compressors are designed to operate without the need for oil lubrication. These compressors incorporate specialized rotor coatings, such as PTFE (polytetrafluoroethylene) or other non-stick materials, to reduce friction and eliminate the need for oil. Oil-free screw compressors are preferred in applications that require oil-free and contaminant-free compressed air. Industries like food and beverage, pharmaceuticals, electronics, and others often rely on oil-free screw compressors to ensure the purity of the compressed air.

3. Variable Speed Drive (VSD) Screw Compressors:

VSD screw compressors, also known as variable frequency drive (VFD) screw compressors, are equipped with a variable speed drive system. This system allows the compressor to adjust the rotational speed of the motor and, consequently, the speed of the screw rotors. By varying the speed, VSD screw compressors can closely match the compressed air or gas demand, resulting in energy savings and improved efficiency. VSD screw compressors are particularly beneficial in applications with varying air demand, as they can adapt their output accordingly.

4. Two-Stage Screw Compressors:

Two-stage screw compressors consist of two sets of rotors arranged in series. The first stage compresses the air or gas to an intermediate pressure, and the second stage further compresses it to the desired final pressure. Two-stage screw compressors are commonly used in applications that require higher discharge pressures. By dividing the compression into two stages, these compressors can achieve higher efficiency and improved performance in high-pressure applications.

5. Water-Injected Screw Compressors:

Water-injected screw compressors, also known as liquid-injected screw compressors, utilize water or a water-glycol mixture as a sealing and cooling medium. The water injection helps in sealing the compression chamber and reduces the discharge temperature, enhancing the compressor’s efficiency. Water-injected screw compressors are often used in applications where oil contamination is a concern, such as in the pharmaceutical and food processing industries.

Each type of screw compressor has its own advantages and is suitable for specific applications. The choice of the screw compressor type depends on factors such as the desired level of air purity, the need for oil-free operation, energy efficiency requirements, and the operating conditions of the application.

China wholesaler Air-Compressors Stationary Factory Directly Sale Rotary Screw Air Compressor   air compressor lowesChina wholesaler Air-Compressors Stationary Factory Directly Sale Rotary Screw Air Compressor   air compressor lowes
editor by CX 2024-03-06

China Hot selling High Pressure Fluoroethylene Compressor Vinyl Fluoride (hew-60/150, CE approval) lowes air compressor

Product Description

Product Name Oil-Free Booster Compressor
Model No BW-3/5/10/15/20/30…
Inlet Pressure 0.4Mpa( G )
Exhaust Pressure 150/200Mpa( G )
Type High Pressure Oil Free
Accessories Filling Manifold, Piston ring, Etc

If you have compressor inquiry please tell us follows information when you send inquiry:

*Compressor working medium: If single gas ,how many purity ? if mixed gas , what’s gas content lit ?

*Suction pressure(gauge pressure):_____bar

*Exhaust pressure(gauge pressure):_____bar

*Flow rate per hour for compressor: _____Nm³/h

Compressor gas suction temperature:_____ºC

Compressor working hours per day :_____hours

Compressor working site altitude :_____m

Environment temperature : _____ºC

Has cooling water in the site or not ?______

Voltage and frequency for 3 phase :____________

Do not has water vapor or H2S in the gas ?______

Application for compressor?__________

/* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1

After-sales Service: 1year
Warranty: 1year
Product Name: Oxygen, Nitrogen Compressor
Gas Type: Oxygen, Nitrogen, Special Gas
Cooling Method: Air Cooling Water Cooling
Application: Filling Cylinder
Customization:
Available

|

air compressor

What Is the Fuel Efficiency of Gas Air Compressors?

The fuel efficiency of gas air compressors can vary depending on several factors, including the compressor’s design, engine size, load capacity, and usage patterns. Gas air compressors typically use internal combustion engines powered by gasoline or propane to generate the mechanical energy required for compressing air. Here’s a detailed explanation of the factors that can influence the fuel efficiency of gas air compressors:

1. Engine Design and Size:

The design and size of the engine in a gas air compressor can impact its fuel efficiency. Engines with advanced technologies such as fuel injection and electronic controls tend to offer better fuel efficiency compared to older carbureted engines. Additionally, larger engines may consume more fuel to produce the required power, resulting in lower fuel efficiency compared to smaller engines for the same workload.

2. Load Capacity and Usage Patterns:

The load capacity and usage patterns of the gas air compressor play a significant role in fuel efficiency. Compressors operating at or near their maximum load capacity for extended periods may consume more fuel compared to compressors operating at lower loads. Additionally, compressors used intermittently or for lighter tasks may have better fuel efficiency due to reduced demand on the engine.

3. Maintenance and Tuning:

Proper maintenance and tuning of the gas air compressor’s engine can improve fuel efficiency. Regular maintenance tasks such as oil changes, air filter cleaning/replacement, spark plug inspection, and tuning the engine to the manufacturer’s specifications can help ensure optimal engine performance and fuel efficiency.

4. Operating Conditions:

The operating conditions, including ambient temperature, altitude, and humidity, can affect the fuel efficiency of gas air compressors. Extreme temperatures or high altitudes may require the engine to work harder, resulting in increased fuel consumption. Additionally, operating in humid conditions can affect the combustion process and potentially impact fuel efficiency.

5. Fuel Type:

The type of fuel used in the gas air compressor can influence its fuel efficiency. Gasoline and propane are common fuel choices for gas air compressors. The energy content and combustion characteristics of each fuel can affect the amount of fuel consumed per unit of work done. It is important to consider the specific fuel requirements and recommendations of the compressor manufacturer for optimal fuel efficiency.

6. Operator Skills and Practices:

The skills and practices of the operator can also impact fuel efficiency. Proper operation techniques, such as avoiding excessive idling, maintaining consistent engine speeds, and minimizing unnecessary load cycles, can contribute to improved fuel efficiency.

It is important to note that specific fuel efficiency ratings for gas air compressors can vary widely depending on the aforementioned factors. Manufacturers may provide estimated fuel consumption rates or fuel efficiency data for their specific compressor models, which can serve as a reference point when comparing different models or making purchasing decisions.

Ultimately, to maximize fuel efficiency, it is recommended to select a gas air compressor that suits the intended application, perform regular maintenance, follow the manufacturer’s guidelines, and operate the compressor efficiently based on the workload and conditions.

air compressor

Can Gas Air Compressors Be Used for Gas Line Maintenance?

Gas air compressors can be used for certain aspects of gas line maintenance, primarily for tasks that require compressed air. Here’s a detailed explanation:

1. Clearing Debris and Cleaning:

Gas air compressors can be utilized to clear debris and clean gas lines. Compressed air can be directed through the gas lines to dislodge and remove dirt, dust, rust particles, or other contaminants that may accumulate over time. This helps maintain the integrity and efficiency of the gas lines.

2. Pressure Testing:

Gas line maintenance often involves pressure testing to ensure the lines can withstand the required operating pressures. Gas air compressors can provide the necessary compressed air to pressurize the lines for testing purposes. By pressurizing the gas lines with compressed air, technicians can identify any leaks or weaknesses in the system.

3. Leak Detection:

Gas air compressors can also be used in conjunction with appropriate leak detection equipment to identify and locate gas leaks in the gas lines. Compressed air can be introduced into the lines, and the detection equipment can then identify any areas where the compressed air escapes, indicating a potential gas leak.

4. Valve and Equipment Maintenance:

Gas line maintenance may involve the inspection, maintenance, or replacement of valves and associated equipment. Compressed air can be used to clean and blow out debris from valves, purge lines, or assist in the disassembly and reassembly of components.

5. Pipe Drying:

Gas air compressors can aid in drying gas lines after maintenance or repairs. By blowing compressed air through the lines, any residual moisture can be removed, ensuring the gas lines are dry before being put back into service.

6. Precautions and Regulations:

When using gas air compressors for gas line maintenance, it is essential to follow safety precautions and adhere to relevant regulations. Gas line maintenance often involves working in hazardous environments, and proper training, equipment, and procedures must be followed to ensure the safety of personnel and the integrity of the gas system.

It is important to note that gas air compressors should not be used directly for pressurizing or transporting natural gas or other combustible gases. Gas line maintenance tasks involving gas air compressors primarily focus on using compressed air for specific maintenance and testing purposes, as outlined above.

In summary, gas air compressors can be useful for certain aspects of gas line maintenance, including clearing debris, pressure testing, leak detection, valve and equipment maintenance, and pipe drying. However, it is crucial to follow safety guidelines and regulations when working with gas lines and compressed air to ensure the safety and integrity of the gas system.

air compressor

How Does a Gas Air Compressor Work?

A gas air compressor works by utilizing a gas engine to power a compressor pump, which draws in air and compresses it to a higher pressure. The compressed air can then be used for various applications. Here’s a detailed explanation of how a gas air compressor operates:

1. Gas Engine:

A gas air compressor is equipped with a gas engine as its power source. The gas engine is typically fueled by gasoline, diesel, natural gas, or propane. When the engine is started, the fuel is combusted within the engine’s cylinders, generating mechanical energy in the form of rotational motion.

2. Compressor Pump:

The gas engine drives the compressor pump through a mechanical linkage, such as a belt or direct coupling. The compressor pump is responsible for drawing in atmospheric air and compressing it to a higher pressure. There are different types of compressor pumps used in gas air compressors, including reciprocating, rotary screw, or centrifugal, each with its own operating principles.

3. Intake Stroke:

In a reciprocating compressor pump, the intake stroke begins when the piston moves downward within the cylinder. This creates a vacuum, causing the inlet valve to open and atmospheric air to be drawn into the cylinder. In rotary screw or centrifugal compressors, air is continuously drawn in through the intake port as the compressor operates.

4. Compression Stroke:

During the compression stroke in a reciprocating compressor, the piston moves upward, reducing the volume within the cylinder. This compression action causes the air to be compressed and its pressure to increase. In rotary screw compressors, two interlocking screws rotate, trapping and compressing the air between them. In centrifugal compressors, air is accelerated and compressed by high-speed rotating impellers.

5. Discharge Stroke:

Once the air is compressed, the discharge stroke begins in reciprocating compressors. The piston moves upward, further reducing the volume and forcing the compressed air out of the cylinder through the discharge valve. In rotary screw compressors, the compressed air is discharged through an outlet port as the interlocking screws continue to rotate. In centrifugal compressors, the high-pressure air is discharged from the impeller into the surrounding volute casing.

6. Pressure Regulation:

Gas air compressors often include pressure regulation mechanisms to control the output pressure of the compressed air. This can be achieved through pressure switches, regulators, or control systems that adjust the compressor’s operation based on the desired pressure setting. These mechanisms help maintain a consistent and controlled supply of compressed air for the specific application requirements.

7. Storage and Application:

The compressed air produced by the gas air compressor is typically stored in a receiver tank or used directly for applications. The receiver tank helps stabilize the pressure and provides a reservoir of compressed air for immediate use. From the receiver tank, the compressed air can be distributed through pipelines to pneumatic tools, machinery, or other devices that require the compressed air for operation.

Overall, a gas air compressor operates by using a gas engine to power a compressor pump, which draws in air and compresses it to a higher pressure. The compressed air is then regulated and used for various applications, providing a reliable source of power for pneumatic tools, machinery, and other equipment.

China Hot selling High Pressure Fluoroethylene Compressor Vinyl Fluoride (hew-60/150, CE approval)   lowes air compressorChina Hot selling High Pressure Fluoroethylene Compressor Vinyl Fluoride (hew-60/150, CE approval)   lowes air compressor
editor by CX 2024-03-05

China high quality 15kw 8bar 380V 440V 220V Air Cooling Pm VSD Permanent Magnet Screw Air Compressor air compressor lowes

Product Description

Product Description

15kW 8bar 380V 440V 220V Air Cooling PM VSD Permanent Magnet Screw Air Compressor

Model: RK-20APM
Free air delivery: 2.3m3/min
Working pressure: 8 bar
Control: Smart PLC controller
Driven: direct coupling
Cooling: by air
Electric motor: Permanent Magnet VSD type 20hp 15KW 380V/50hz/3ph
Discharge temperature: less than ambient +8 ºC
Noise: less than 68 dB(A)
Air outlet size: G3/4″
Dimension: 1000*740*1100mm
Weight: 300kg

Product Description

Permanent magnet variable frequency screw air compressor:
1. Constant pressure control: It can realize high-precision constant pressure control with a pressure fluctuation range of 0.01 MPa;
2. Variable frequency soft start: Eliminate the CHINAMFG current when starting, avoid grid impact, avoid current impact through step-by-step speed adjustment, and improve flexibility
3. Prevent no-load: The compressor is no-load during operation, reducing ineffective energy consumption;
Permanent magnet motors use high-efficiency rare earth magnets, no loss of magnetism at 180°C, and long service life; energy saving is about 6% to 7% compared with ordinary frequency conversion motors;
It can exert the highest efficiency in a wider range and make the air compressor more energy-saving.

Product Parameters

Technical Parameters
 

Intelligent PM VSD Screw Air Compressor
Model Air Delivery (m3/min) Power
(kW)
Noise
(dB)
Outlet
diameter
Dimension (mm) Weight
  (Kg)
8bar 10bar 13bar L * W * H
RK10APM 0.5-1.2 0.4-1.0 0.3-0.7 7.5 63 G3/4 900*650*860 190
RK15APM 0.6-1.7 0.5-1.6 0.4-1.0 11 65 G3/4 1150*750*960 320
RK20APM 1.0-2.4 0.8-2.1 0.7-1.6 15 65 G3/4 1150*750*960 340
RK30APM 1.5-3.7 1.3-3.2 1.1-2.8 22 68 G1 1350*850*1120 430
RK40APM 2.0-5.0 1.6-3.9 1.4-3.4 30 68 G1 1500*1000*1350 600
RK50APM 2.5-6.2 2.2-5.6 2.0-4.9 37 69 G1 1/2 1500*1000*1350 650
RK60APM 3.0-7.3 2.4-6.0 2.3-5.9 45 70 G1 1/2 1500*1000*1350 730
RK75APM 3.8-9.5 3.5-8.7 3.0-7.3 55 70 G2 1700*1200*1550 950
RK100APM 5.1-12.8 4.5-11.3 3.7-9.2 75 72 G2 1700*1200*1550 1050
RK125APM 6.2-15.5 5.4-13.6 5.0-12.5 90 72 G2 2100*1400*1650 1420
RK150APM 7.8-19.6 7.1-17.8 6.2-15.5 110 72 DN65 2500*1650*1900 2200
RK175APM 9.3-23.2 7.8-19.5 7.1-17.8 132 72 DN65 2500*1650*1900 2400
RK220APM 11.1-27.8 9.2-23.0 8.0-20.0 160 72 DN80 3000*1900*1950 3650
RK250APM 12.5-31.2 11.0-27.5 10.3-25.8 185 72 DN80 3000*1900*1950 3950
RK275APM 13.6-34.0 12.2-30.5 11.2-28.0 200 76 DN80 3000*1900*1950 4200
RK300APM 14.0-35.0 12.8-32.0 12.0-30.0 220 76 DN100 3600*2200*2200 4600
RK350APM 16.6-41.5 15.2-38.0 14.0-34.9 250 76 DN100 3600*2200*2200 5900
RK375APM 20.2-50.6 18.4-46.0 16.6-41.5 280 82 DN100 3600*2200*2200 6000
RK420APM 22.2-55.9 20.0-50.1 16.8-42.0 315 82 DN125 4600*2300*2430 7800
RK420WPM 22.2-55.9 20.0-50.1 16.8-42.0 315 82 DN125 4200*2300*2430 7500
RK475APM 26.0-65.4 22.0-55.1 18.4-46.0 355 85 DN125 4600*2300*2430 8200
RK475WPM 26.0-65.4 22.0-55.1 18.4-46.0 355 82 DN125 4200*2300*2430 7900

Packaging & Shipping

1.Packing Details: Plywood crate pallet plus foam board and bubble film, Full closed wooden case. 1pcs/each package (for stationary screw air compressor)
2.Shipping method: by sea, by LCL/FCL or as requested
3.Delivery method: FOB, CFR, CIF and EXW etc.
4.Delivery time: in 7-15 days after receiving deposit (customized machines not included)

 

Company Profile

ZheJiang CHINAMFG Machinery Co., Ltd. was established in 2003 and has18 years of experience in the air compressor industry. It is an innovative enterprise integrating production, trade, service, research and development.
Our company dominates strong technical skill, advancing manufacture equipment and testing device, execute strictly of ISO9001 quality management system. As a CE certificated manufacturer, our Oil-free series air compressor also reaches Germany TUV Class 0 standard. Main products have passed the testing of national technical authorities, energy consumption level has reached the international advanced level.With more than 120 skilled employees and 18 senior engineers, each production process is performed standardly and strictly. Germany technology and 14 years export experience have helped us to gain more than 30 loyal overseas agents, and our valued customers have spread across more than 130 countries.
Rocky will continue to promote technological innovation and progress in line with the mission of “innovation reflects value”, and achieve CHINAMFG results with global partners, suppliers and employees. Create a new world of “energy saving, envir-onmental protection and intelligence” in the field of air compressors.

Certifications

Payment and delivery

FAQ

Q1. Are you trading company or manufacture ?
A: We are professional manufacture of screw air compressor of HangZhou,ZheJiang ,China. More than 18 years of experience in air compressor manufacturing.

Q2. How long is the delivery time ?
A: For standard voltage ,15 working days. Non-standard ,please contact our sales.

Q3. What’s payment term ?
A: T/T, L/C, D/P, Western Union, Paypal, Credit Card, and etc. Also we could accept USD, RMB, Euro and other currency.

Q4. How about your after-sales service ?
A: 1.Provide customers with installation and commissioning online instructions.
     2. Well-trained engineers available to overseas service.
     3.CHINAMFG agents and after service avaiable.arrange our engineers to help you training and installation.

Q5. How about your warranty?
A: One year for the whole machine and 2 years for screw air end, except consumable spare parts.

Q6. Do you have any certificate ?
A: Yes, per different customer’s market need ,we can offer CE ,ISO etc certificate.

Q7. What about the maintenance ?
A: First maintenance need to be done after 500Hours, and then every 2000-3000 hours to do the normal maintenance, and consider the actual environment.

Q8. How do you control quality ?
A: 1. The raw materials are strictly inspected
     2. Some key parts are imported from overseas
     3. Each compressor must pass at least 5 hours of continuous testing before leaving the factory.

Q9. Do you offer OEM service ?
A: Yes.Both OEM & ODM service can be accepted.

Q10.How long could your air compressor be used?
A: Generally, more than 10 years.

/* March 10, 2571 17:59:20 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1

After-sales Service: Online Support
Warranty: 24month
Lubrication Style: Lubricated
Customization:
Available

|

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Shipping Cost:

Estimated freight per unit.







about shipping cost and estimated delivery time.
Payment Method:







 

Initial Payment



Full Payment
Currency: US$
Return&refunds: You can apply for a refund up to 30 days after receipt of the products.

air compressor

What Safety Precautions Should Be Taken When Operating Screw Compressors?

When operating screw compressors, it is important to follow specific safety precautions to ensure the well-being of personnel and prevent potential accidents. Here’s a detailed explanation:

1. Familiarize Yourself with the Equipment:

  • Before operating a screw compressor, thoroughly read and understand the manufacturer’s instructions, safety guidelines, and operating procedures. Familiarize yourself with the specific features, controls, and safety devices of the compressor.

2. Wear Appropriate Personal Protective Equipment (PPE):

  • Wear the necessary PPE, such as safety glasses, hearing protection, gloves, and appropriate clothing, when operating the compressor. PPE helps protect against potential hazards, including flying debris, noise, and contact with hot or moving parts.

3. Ensure Proper Ventilation:

  • Operate the screw compressor in a well-ventilated area to prevent the buildup of potentially harmful gases or fumes. Ensure that the compressor’s intake and exhaust vents are not obstructed, allowing for adequate airflow.

4. Compressor Location:

  • Position the compressor on a stable and level surface to prevent tipping or instability during operation. Ensure that the compressor is located away from flammable materials, heat sources, or sources of ignition.

5. Electrical Safety:

  • Follow electrical safety guidelines and ensure that the compressor is properly grounded. Avoid using damaged or frayed electrical cords and ensure that the electrical connections are secure.

6. Lockout/Tagout Procedures:

  • Before performing any maintenance or repair tasks on the compressor, follow lockout/tagout procedures to isolate electrical power and prevent accidental startup. Lockout/tagout procedures help protect against unexpected energization of the compressor or its components.

7. Pressure Relief:

  • Before performing any maintenance tasks or opening the compressor, ensure that all pressure has been relieved from the system. Follow proper procedures for depressurizing the compressor and associated piping to avoid sudden releases of pressure.

8. Hot Surfaces:

  • Be cautious of hot surfaces, such as compressor casings, piping, or discharge components. Allow sufficient cooling time before touching or performing maintenance tasks on hot surfaces to avoid burns.

9. Maintenance and Inspection:

  • Adhere to the manufacturer’s recommended maintenance schedule and perform regular inspections of the compressor. Replace any worn or damaged components promptly to prevent potential hazards or malfunctions.

10. Emergency Procedures:

  • Be familiar with emergency procedures, including how to shut down the compressor in case of an emergency, how to respond to leaks or spills, and how to handle fire or electrical incidents. Have emergency contact information readily available.

11. Training and Qualified Personnel:

  • Ensure that operators and maintenance personnel are adequately trained in the safe operation and maintenance of screw compressors. Only allow qualified personnel to perform maintenance or repair tasks.

It is essential to consult the specific safety guidelines provided by the manufacturer of the screw compressor as they may include additional precautions or recommendations.

In summary, when operating screw compressors, it is important to familiarize yourself with the equipment, wear appropriate PPE, ensure proper ventilation, follow electrical safety measures, implement lockout/tagout procedures, be cautious of hot surfaces, perform regular maintenance and inspections, and be prepared with emergency procedures. By following these safety precautions, the risk of accidents or injuries can be minimized, ensuring a safe working environment when operating screw compressors.

air compressor

How Do Screw Compressors Contribute to Energy Savings?

Screw compressors offer several features and advantages that contribute to energy savings. Here’s a detailed explanation:

1. Efficient Compression Process:

Screw compressors are known for their efficiency in compressing air or gas. They use a unique rotary screw design, where two intermeshing screws rotate to compress the air. This design provides continuous and smooth compression, resulting in less energy loss compared to other compression technologies, such as reciprocating compressors. The efficient compression process of screw compressors helps reduce energy consumption.

2. Load and Unload Operation:

Screw compressors often incorporate load and unload operation, also known as capacity control. This feature allows the compressor to match its output to the actual demand for compressed air. During periods of lower demand, the compressor unloads by disengaging some of its capacity. This reduces power consumption since the compressor is not operating at full load continuously. By adjusting the compressor’s output to match the required air flow, load and unload operation helps save energy.

3. Variable Speed Drive (VSD) Technology:

Many screw compressors are equipped with Variable Speed Drive (VSD) technology. A VSD allows the compressor’s motor speed to be adjusted according to the demand for compressed air. By running the compressor at lower speeds during periods of lower demand, the energy consumption can be significantly reduced. The VSD technology enables precise control over the compressor’s output, resulting in energy savings and improved efficiency.

4. Air Leakage Reduction:

A common source of energy loss in compressed air systems is air leakage. Screw compressors are designed to minimize air leakage through improved sealing mechanisms and enhanced construction materials. By reducing air leakage, the compressor can operate more efficiently, as less energy is wasted in compressing air that escapes before reaching the intended point of use. Regular maintenance and monitoring practices help identify and address air leakage issues, further contributing to energy savings.

5. Integrated Energy Recovery:

In certain applications, screw compressors can be configured to recover and utilize the heat generated during the compression process. This recovered heat can be used for various purposes, such as space heating, preheating process air or water, or powering other thermal processes. By utilizing the recovered heat energy, screw compressors enhance overall energy efficiency and reduce the need for additional heating systems.

6. System Optimization and Controls:

Screw compressors often feature advanced control systems that optimize their operation for energy efficiency. These control systems monitor various parameters, such as system pressure, air demand, and temperature, and adjust the compressor’s operation accordingly. By continuously analyzing the system requirements and making intelligent adjustments, the control systems help minimize energy waste and maintain optimal performance.

7. Maintenance and Proper Operation:

Regular maintenance and proper operation of screw compressors are essential for maximizing energy savings. Routine maintenance activities, such as cleaning air filters, checking lubrication levels, and inspecting and repairing leaks, ensure the compressor operates at peak efficiency. Additionally, proper operation practices, such as avoiding excessive idling or overloading, contribute to energy savings and prolong the compressor’s lifespan.

In summary, screw compressors contribute to energy savings through their efficient compression process, load and unload operation, variable speed drive technology, air leakage reduction, integrated energy recovery, system optimization, and proper maintenance and operation. By utilizing these features and implementing energy-conscious practices, industries can significantly reduce energy consumption and lower operating costs in compressed air systems.

air compressor

Are There Different Types of Screw Compressors?

Yes, there are different types of screw compressors available, catering to various application requirements. Here’s an overview of the main types:

1. Oil-Injected Screw Compressors:

Oil-injected screw compressors, also known as lubricated screw compressors, are the most common type. These compressors require the injection of a small amount of lubricating oil into the compression chamber. The oil serves multiple purposes, including lubrication, cooling, sealing, and reducing friction between the rotors. Oil-injected screw compressors are widely used in industrial applications where a small amount of oil in the compressed air is acceptable.

2. Oil-Free Screw Compressors:

Oil-free screw compressors are designed to operate without the need for oil lubrication. These compressors incorporate specialized rotor coatings, such as PTFE (polytetrafluoroethylene) or other non-stick materials, to reduce friction and eliminate the need for oil. Oil-free screw compressors are preferred in applications that require oil-free and contaminant-free compressed air. Industries like food and beverage, pharmaceuticals, electronics, and others often rely on oil-free screw compressors to ensure the purity of the compressed air.

3. Variable Speed Drive (VSD) Screw Compressors:

VSD screw compressors, also known as variable frequency drive (VFD) screw compressors, are equipped with a variable speed drive system. This system allows the compressor to adjust the rotational speed of the motor and, consequently, the speed of the screw rotors. By varying the speed, VSD screw compressors can closely match the compressed air or gas demand, resulting in energy savings and improved efficiency. VSD screw compressors are particularly beneficial in applications with varying air demand, as they can adapt their output accordingly.

4. Two-Stage Screw Compressors:

Two-stage screw compressors consist of two sets of rotors arranged in series. The first stage compresses the air or gas to an intermediate pressure, and the second stage further compresses it to the desired final pressure. Two-stage screw compressors are commonly used in applications that require higher discharge pressures. By dividing the compression into two stages, these compressors can achieve higher efficiency and improved performance in high-pressure applications.

5. Water-Injected Screw Compressors:

Water-injected screw compressors, also known as liquid-injected screw compressors, utilize water or a water-glycol mixture as a sealing and cooling medium. The water injection helps in sealing the compression chamber and reduces the discharge temperature, enhancing the compressor’s efficiency. Water-injected screw compressors are often used in applications where oil contamination is a concern, such as in the pharmaceutical and food processing industries.

Each type of screw compressor has its own advantages and is suitable for specific applications. The choice of the screw compressor type depends on factors such as the desired level of air purity, the need for oil-free operation, energy efficiency requirements, and the operating conditions of the application.

China high quality 15kw 8bar 380V 440V 220V Air Cooling Pm VSD Permanent Magnet Screw Air Compressor   air compressor lowesChina high quality 15kw 8bar 380V 440V 220V Air Cooling Pm VSD Permanent Magnet Screw Air Compressor   air compressor lowes
editor by CX 2024-02-22

China Standard CHINAMFG 265cfm Portable Mobile Diesel Engine Drived Screw Air Compressor lowes air compressor

Product Description

Yugong 265cfm Portable Mobile Diesel Engine Drived Screw Air Compressor
 

Application of Air Compressor                                                                         

Mining, hydropower, oil and gas exploitation, borehole, shipyard, construction, chemical industry, quarry, sandblasting, pipeline pressure test, public works, etc.
 

Feature of Air Compressor                                                                                

1. Use Germany KAPP machine and German manufacturing technique to process the compression element, the components manufactured to the highest standards and precision aligned roller-bearings ensure long service life with maximum reliability.
2. Heavy-duty CHINAMFG diesel engine for extended operation.
3. Excellent components, for example, Germany CHINAMFG oil filter and CHINAMFG electronics for high performance. 
4. Automatic operation system helps the operator to master the operating skills quickly, unattended operation and remote control are available.
5. Conform to CE, ISO9001 and energy saving certification, etc.

Destription of Air Compressor                                                                          

Technical Parameter of Air Compressor                                                          

Crafts of Air Compressor                                                                                  

Contact Us                                                                                                          

/* March 10, 2571 17:59:20 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1

Lubrication Style: Oil-less
Cooling System: Air Cooling
Power Source: Diesel Engine
Cylinder Position: Vertical
Structure Type: Closed Type
Installation Type: Movable Type
Customization:
Available

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air compressor

Can Screw Compressors Be Used for Air Conditioning?

Yes, screw compressors can be used for air conditioning applications, particularly in larger commercial and industrial HVAC systems. Here’s a detailed explanation:

Screw compressors are a type of positive displacement compressor that can effectively handle large volumes of gas or air. They are known for their high efficiency, reliability, and ability to provide continuous operation. These qualities make screw compressors well-suited for air conditioning systems that require the compression of refrigerant gases to facilitate cooling.

In air conditioning applications, screw compressors are commonly used in two types of systems:

  • 1. Chillers: Screw compressors are frequently employed in chiller systems, which are central air conditioning units that cool water or another secondary refrigerant. In chiller-based air conditioning systems, the screw compressor works in conjunction with other components such as evaporators, condensers, and expansion valves to extract heat from the chilled water or secondary refrigerant and provide cooling to the desired space.
  • 2. Variable Refrigerant Flow (VRF) Systems: VRF systems utilize multiple individual indoor units connected to a single outdoor unit. These systems can provide simultaneous heating and cooling to different zones within a building. In VRF systems, screw compressors are often used in the outdoor units to compress the refrigerant gas, which is then distributed to the indoor units for heat exchange and cooling.

The advantages of using screw compressors in air conditioning systems include:

  • 1. High Capacity: Screw compressors are capable of handling large volumes of gas or air, making them suitable for air conditioning applications that require high cooling capacities.
  • 2. Energy Efficiency: Screw compressors can deliver high energy efficiency, especially when equipped with variable speed drives (VSD) that allow the compressor to adjust its speed based on the cooling demand. This leads to energy savings and improved system performance.
  • 3. Reliability: Screw compressors are known for their reliability and durability, making them a suitable choice for air conditioning systems that require continuous operation and long service life.
  • 4. Smooth Operation: Screw compressors operate with minimal vibration and noise, contributing to a comfortable and quiet air conditioning environment.
  • 5. Control Flexibility: Screw compressors can offer control flexibility, allowing for efficient modulation of cooling capacity based on the cooling load. This enables precise temperature control and improves overall system performance.

It’s important to note that screw compressors used in air conditioning systems require proper installation, maintenance, and periodic inspections to ensure optimal performance and longevity. Regular maintenance tasks, such as checking refrigerant levels, cleaning filters, and inspecting compressor components, should be performed in accordance with the manufacturer’s recommendations.

In summary, screw compressors can be effectively used for air conditioning applications, particularly in larger commercial and industrial HVAC systems. Their high capacity, energy efficiency, reliability, smooth operation, and control flexibility make them well-suited for chiller and VRF systems. Proper installation, maintenance, and adherence to manufacturer guidelines are essential for optimal performance and longevity of screw compressors in air conditioning applications.

air compressor

How Do You Troubleshoot Common Issues with Screw Compressors?

Troubleshooting common issues with screw compressors involves a systematic approach to identify and resolve problems that may arise during operation. Here’s a detailed explanation:

1. Gather Information:

  • Start by gathering information about the symptoms and any recent changes or events related to the compressor. This can help pinpoint potential causes and guide the troubleshooting process.

2. Check Power and Controls:

  • Ensure that the compressor has a power supply and that all electrical connections are secure. Check for any tripped breakers or blown fuses. Verify that the compressor’s controls, such as pressure switches, temperature sensors, and safety devices, are functioning correctly.

3. Inspect for Leaks:

  • Check for any visible leaks in the compressed air system, including connections, fittings, hoses, and seals. Leaks can cause a drop in system pressure and affect the compressor’s performance. Repair or replace any damaged components.

4. Monitor Pressure and Temperature:

  • Monitor the discharge pressure and temperature of the compressor. Abnormal readings can indicate issues such as inadequate lubrication, high discharge temperatures, or problems with the cooling system. Refer to the manufacturer’s specifications for acceptable pressure and temperature ranges.

5. Verify Lubrication:

  • Ensure that the compressor’s lubrication system is functioning correctly. Check oil levels and the condition of the lubricant. Inadequate lubrication can lead to increased friction, overheating, and damage to internal components. Follow the manufacturer’s recommendations for lubricant type and change intervals.

6. Check Air Filters and Cooling System:

  • Inspect and clean or replace the air filters to ensure proper airflow. Clogged filters can reduce efficiency and increase the compressor’s operating temperature. Additionally, check the cooling system, including fans and heat exchangers, to ensure they are clean and functioning correctly.

7. Examine Vibration and Noise:

  • Pay attention to any unusual vibration or noise coming from the compressor. Excessive vibration may indicate misalignment, worn bearings, or loose components. Unusual noise can be a sign of mechanical issues or problems with the intake or discharge system.

8. Review Maintenance Records:

  • Review the compressor’s maintenance records to ensure that regular maintenance tasks, such as oil changes, filter replacements, and inspections, have been performed according to the manufacturer’s recommendations. Address any overdue or missed maintenance tasks.

9. Consult Manufacturer Documentation:

  • Refer to the compressor’s operating manual and troubleshooting guide provided by the manufacturer. These documents often contain specific troubleshooting steps for common issues and can provide valuable insights.

10. Seek Professional Assistance:

  • If the troubleshooting steps do not resolve the issue or if you are unsure about performing further diagnostics, it is recommended to seek assistance from a qualified technician or contact the compressor manufacturer’s technical support.

Remember to prioritize safety throughout the troubleshooting process, following appropriate lockout/tagout procedures and wearing the necessary personal protective equipment.

In summary, troubleshooting common issues with screw compressors involves checking power and controls, inspecting for leaks, monitoring pressure and temperature, verifying lubrication, checking air filters and cooling systems, examining vibration and noise, reviewing maintenance records, consulting manufacturer documentation, and seeking professional assistance when needed. By following a systematic approach, it is possible to identify and resolve common problems with screw compressors, ensuring their proper operation and performance.

air compressor

What Is the Efficiency of Screw Compressors?

The efficiency of screw compressors can vary depending on various factors, including the design, operating conditions, and maintenance. Here’s a detailed explanation of the efficiency of screw compressors:

1. Isothermal Efficiency:

Isothermal efficiency refers to the ideal efficiency of a compressor operating under isothermal conditions. In reality, screw compressors experience temperature rise during compression, and therefore, they do not achieve isothermal efficiency. The compression process in screw compressors is considered to be relatively close to isothermal compared to other compressor types, such as reciprocating compressors. This is due to the continuous and smooth flow of air or gas through the compression chamber, which helps in minimizing temperature differences.

2. Adiabatic Efficiency:

Adiabatic efficiency refers to the actual efficiency of a compressor, taking into account the heat generated during compression. Screw compressors typically have higher adiabatic efficiency compared to reciprocating compressors. The helical design of the rotors and the presence of intermeshing lobes allow for efficient compression with minimal energy loss. The adiabatic efficiency of a screw compressor can be influenced by factors such as the compression ratio, rotational speed, and discharge pressure.

3. Overall Efficiency:

The overall efficiency of a screw compressor takes into account various factors, including mechanical losses, power consumption, and auxiliary power requirements. Mechanical losses can occur due to friction between the rotors, bearings, and other moving parts. Well-maintained screw compressors with properly lubricated components and well-aligned rotors can minimize mechanical losses and improve overall efficiency. Power consumption is another factor affecting efficiency, and it can vary depending on the size, design, and operating conditions of the compressor.

4. Energy Efficiency:

Energy efficiency is an important aspect of screw compressors. It relates to the ability of the compressor to convert electrical energy into compressed air with minimal energy waste. Energy-efficient screw compressors are designed to optimize the compression process, reduce power consumption, and maximize output for a given input. Variable Speed Drive (VSD) screw compressors, for example, can adjust the rotational speed to match the compressed air demand, resulting in improved energy efficiency and significant energy savings.

It’s important to note that the efficiency of screw compressors can vary depending on the specific model, design features, and operating conditions. Regular maintenance, including proper lubrication, cleaning, and component inspection, is crucial for maintaining high efficiency levels. Additionally, selecting the right size and type of screw compressor for the intended application is essential to achieve optimal efficiency and performance.

In summary, screw compressors are known for their relatively high efficiency compared to other compressor types. While they may not achieve perfect isothermal efficiency, their adiabatic efficiency, overall efficiency, and energy efficiency make them suitable for a wide range of industrial applications.

China Standard CHINAMFG 265cfm Portable Mobile Diesel Engine Drived Screw Air Compressor   lowes air compressorChina Standard CHINAMFG 265cfm Portable Mobile Diesel Engine Drived Screw Air Compressor   lowes air compressor
editor by CX 2024-02-21

China factory 2022 Trending Products China Wholesale High Pressure CO2 Compressor air compressor lowes

Product Description

Product Name Oil-Free Booster Compressor
Model No BW-3/5/10/15/20/30…
Inlet Pressure 0.4Mpa( G )
Exhaust Pressure 150/200Mpa( G )
Type High Pressure Oil Free
Accessories Filling Manifold, Piston ring, Etc

Oilless High Pressure O2 Compressor Specification
NO Volume Inlet pressure Outlet pressure Type Cooling type
1 1-3m³ 0.3-0.4MPa 15MPa 2 lines 4 stages vertical type Wind
2 4-12m³ 0.3-0.4MPa 15MPa 2 lines 4 stages vertical type Wind
3 13-40m³ 0.3-0.4MPa 15MPa 3 lines 3 stages W type Water
4 13-60m³ 0.2-0.4MPa 15MPa 2 lines 4 stages vertical type Water
5 40-80m³ 0.2-0.4MPa 15MPa 4 lines 4 stages S type Water
6 80-120m³ 0.2-0.4MPa 15MPa 4 lines 4 stages S type Water

If you have compressor inquiry please tell us follows information when you send inquiry:

*Compressor working medium: If single gas ,how many purity ? if mixed gas , what’s gas content lit ?

*Suction pressure(gauge pressure):_____bar

*Exhaust pressure(gauge pressure):_____bar

*Flow rate per hour for compressor: _____Nm³/h

Compressor gas suction temperature:_____ºC

Compressor working hours per day :_____hours

Compressor working site altitude :_____m

Environment temperature : _____ºC

Has cooling water in the site or not ?______

Voltage and frequency for 3 phase :____________

Do not has water vapor or H2S in the gas ?______

Application for compressor?__________

/* March 10, 2571 17:59:20 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1

After-sales Service: 1 Year
Warranty: 1 Year
Product Name: Oxygen,Nitrogen Compressor
Gas Type: Oxygen,Nitrogen,Special Gas
Cooling Method: Air Cooling Water Cooling
Application: Filling Cylinder
Customization:
Available

|

air compressor

What Is the Fuel Efficiency of Gas Air Compressors?

The fuel efficiency of gas air compressors can vary depending on several factors, including the compressor’s design, engine size, load capacity, and usage patterns. Gas air compressors typically use internal combustion engines powered by gasoline or propane to generate the mechanical energy required for compressing air. Here’s a detailed explanation of the factors that can influence the fuel efficiency of gas air compressors:

1. Engine Design and Size:

The design and size of the engine in a gas air compressor can impact its fuel efficiency. Engines with advanced technologies such as fuel injection and electronic controls tend to offer better fuel efficiency compared to older carbureted engines. Additionally, larger engines may consume more fuel to produce the required power, resulting in lower fuel efficiency compared to smaller engines for the same workload.

2. Load Capacity and Usage Patterns:

The load capacity and usage patterns of the gas air compressor play a significant role in fuel efficiency. Compressors operating at or near their maximum load capacity for extended periods may consume more fuel compared to compressors operating at lower loads. Additionally, compressors used intermittently or for lighter tasks may have better fuel efficiency due to reduced demand on the engine.

3. Maintenance and Tuning:

Proper maintenance and tuning of the gas air compressor’s engine can improve fuel efficiency. Regular maintenance tasks such as oil changes, air filter cleaning/replacement, spark plug inspection, and tuning the engine to the manufacturer’s specifications can help ensure optimal engine performance and fuel efficiency.

4. Operating Conditions:

The operating conditions, including ambient temperature, altitude, and humidity, can affect the fuel efficiency of gas air compressors. Extreme temperatures or high altitudes may require the engine to work harder, resulting in increased fuel consumption. Additionally, operating in humid conditions can affect the combustion process and potentially impact fuel efficiency.

5. Fuel Type:

The type of fuel used in the gas air compressor can influence its fuel efficiency. Gasoline and propane are common fuel choices for gas air compressors. The energy content and combustion characteristics of each fuel can affect the amount of fuel consumed per unit of work done. It is important to consider the specific fuel requirements and recommendations of the compressor manufacturer for optimal fuel efficiency.

6. Operator Skills and Practices:

The skills and practices of the operator can also impact fuel efficiency. Proper operation techniques, such as avoiding excessive idling, maintaining consistent engine speeds, and minimizing unnecessary load cycles, can contribute to improved fuel efficiency.

It is important to note that specific fuel efficiency ratings for gas air compressors can vary widely depending on the aforementioned factors. Manufacturers may provide estimated fuel consumption rates or fuel efficiency data for their specific compressor models, which can serve as a reference point when comparing different models or making purchasing decisions.

Ultimately, to maximize fuel efficiency, it is recommended to select a gas air compressor that suits the intended application, perform regular maintenance, follow the manufacturer’s guidelines, and operate the compressor efficiently based on the workload and conditions.

air compressor

How Do You Transport Gas Air Compressors to Different Job Sites?

Transporting gas air compressors to different job sites requires careful planning and consideration of various factors. Here’s a detailed explanation:

1. Equipment Size and Weight:

The size and weight of the gas air compressor are crucial factors to consider when planning transportation. Gas air compressors come in different sizes and configurations, ranging from portable units to larger, skid-mounted or trailer-mounted compressors. Assess the dimensions and weight of the compressor to determine the appropriate transportation method.

2. Transportation Modes:

Gas air compressors can be transported using different modes of transportation, depending on their size, weight, and distance to the job site:

  • Truck or Trailer: Smaller gas air compressors can be loaded onto a truck bed or trailer for transportation. Ensure that the vehicle or trailer has the necessary capacity to accommodate the weight and dimensions of the compressor.
  • Flatbed or Lowboy Trailer: Larger gas compressors or skid-mounted units may require transportation on a flatbed or lowboy trailer. These trailers are designed to carry heavy equipment and provide stability during transportation.
  • Shipping Container: For long-distance transportation or international shipments, gas air compressors can be transported in shipping containers. The compressor must be properly secured and protected within the container to prevent any damage during transit.

3. Securing and Protection:

It is essential to secure the gas air compressor properly during transportation to prevent shifting or damage. Use appropriate tie-down straps, chains, or fasteners to secure the compressor to the transport vehicle or trailer. Protect the compressor from potential impacts, vibrations, and weather conditions by using suitable covers, padding, or weatherproof enclosures.

4. Permits and Regulations:

Depending on the size and weight of the gas air compressor, special permits or escorts may be required for transportation. Familiarize yourself with local, state, and federal regulations regarding oversize or overweight loads, and obtain the necessary permits to ensure compliance with transportation laws.

5. Route Planning:

Plan the transportation route carefully, considering factors such as road conditions, height and weight restrictions, bridges, tunnels, and any other potential obstacles. Identify alternative routes if needed, and communicate with transportation authorities or agencies to ensure a smooth and safe journey.

6. Equipment Inspection and Maintenance:

Prior to transportation, conduct a thorough inspection of the gas air compressor to ensure it is in proper working condition. Check for any leaks, damage, or loose components. Perform routine maintenance tasks, such as oil changes, filter replacements, and belt inspections, to minimize the risk of equipment failure during transportation.

In summary, transporting gas air compressors to different job sites requires considering factors such as equipment size and weight, choosing appropriate transportation modes, securing and protecting the compressor, obtaining necessary permits, planning the route, and conducting equipment inspection and maintenance. Careful planning and adherence to transportation regulations contribute to the safe and efficient transportation of gas air compressors.

air compressor

What Are the Primary Applications of Gas Air Compressors?

Gas air compressors have a wide range of applications across various industries and activities. These compressors, powered by gas engines, provide a portable and versatile source of compressed air. Here’s a detailed explanation of the primary applications of gas air compressors:

1. Construction Industry:

Gas air compressors are extensively used in the construction industry. They power a variety of pneumatic tools and equipment, such as jackhammers, nail guns, impact wrenches, and concrete breakers. The portable nature of gas air compressors makes them ideal for construction sites where electricity may not be readily available or practical to use.

2. Agriculture and Farming:

Gas air compressors find applications in the agricultural sector. They are used to operate air-powered machinery and tools, including pneumatic seeders, sprayers, and agricultural pumps. Gas air compressors provide the necessary power to carry out tasks such as crop seeding, irrigation, and pest control in agricultural settings.

3. Recreational Activities:

Gas air compressors are commonly utilized in recreational activities. They are used to inflate tires, sports balls, inflatable structures, and recreational equipment such as air mattresses, rafts, and inflatable toys. Gas air compressors provide a convenient and portable solution for inflating various recreational items in outdoor settings.

4. Mobile Service Operations:

Gas air compressors are employed in mobile service operations, such as mobile mechanics, tire service providers, and mobile equipment repair services. These compressors power air tools and equipment required for on-site repairs, maintenance, and servicing of vehicles, machinery, and equipment. The mobility of gas air compressors allows service providers to bring their tools and compressed air source directly to the location of the service requirement.

5. Remote Job Sites:

Gas air compressors are well-suited for remote job sites or locations without access to electricity. They are commonly used in industries such as mining, oil and gas exploration, and remote construction projects. Gas air compressors power pneumatic tools, machinery, and drilling equipment in these environments, providing a reliable source of compressed air for operational needs.

6. Emergency and Backup Power:

In emergency situations or during power outages, gas air compressors can serve as a backup power source. They can power essential equipment and systems that rely on compressed air, such as emergency lighting, communication devices, medical equipment, and backup generators. Gas air compressors provide a reliable alternative power solution when electrical power is unavailable or unreliable.

7. Sandblasting and Surface Preparation:

Gas air compressors are used in sandblasting and surface preparation applications. They provide the high-pressure air necessary for propelling abrasive media, such as sand or grit, to remove paint, rust, or other coatings from surfaces. Gas air compressors offer the power and portability required for sandblasting operations in various industries, including automotive, metal fabrication, and industrial maintenance.

8. Off-Road and Outdoor Equipment:

Gas air compressors are commonly integrated into off-road and outdoor equipment, such as off-road vehicles, utility trucks, and recreational vehicles. They power air-operated systems, including air suspension systems, air brakes, air lockers, and air horns. Gas air compressors provide the necessary compressed air for reliable and efficient operation of these systems in rugged and outdoor environments.

Overall, gas air compressors have diverse applications in construction, agriculture, recreational activities, mobile service operations, remote job sites, emergency power backup, sandblasting, and various off-road and outdoor equipment. Their portability, versatility, and reliable power supply make them indispensable tools in numerous industries and activities.

China factory 2022 Trending Products China Wholesale High Pressure CO2 Compressor   air compressor lowesChina factory 2022 Trending Products China Wholesale High Pressure CO2 Compressor   air compressor lowes
editor by CX 2024-02-15

China Standard 37kw 50HP Highly AC New AC Variable Displacement Twin Stage Electric Stationary Air Cooling/Water Cooling Quiet Rotary Type Screw Gas Air Compressors Industrial air compressor lowes

Product Description

 

Product Description

Two-Stage Screw Air End

Double- stage compression means that 2 airends are connected in series, and the compression ratio is changed to achieve compressed air.

Super High Efficiency Motor

Brazil WEG IE4 motor,three phase induction motor;Class F insulation ,class B temperature rise,,IP55 protection;

Variable Speed Drive

The pressure could be selected by the strong smart controller of the frequency inverter continually ,to ensure that the actual air displacement is consistent with the user’s air consumption

 

 

 

 

 

 

 

Technical Parameter

model air pressure air displacement power noise dimension
mpa bar(e) psi(g) m3/min cfm hp kw dB(A) L(mm) W(mm) H(mm)
GAT-22A 0.6 6 87 4.2 148 30 22 62-66 1450 950 1250
0.7 7 102 3.95 139
0.8 8 116 3.5 124
1 10 145 3.2 113
1.3 13 189 2.6 92
GAT-30A 0.6 6 87 6.2 219 41 30 63-67 1700 1100 1450
0.7 7 101 6.03 213
0.8 8 116 5.4 191
GAT-37A 0.6 6 87 7.1 251 50 37
0.7 7 102 6.9 244
0.8 8 116 6.7 237
1 10 145 5.6 198
1.3 13 189 5.4 191
GAT-45A 0.6 6 87 8.3 293 61 45 66-70
0.7 7 102 8.01 283
0.8 8 116 7.8 275
1 10 145 6.5 230
1.3 13 189 6.2 219
GAT-55A 0.6 6 87 11.4 403 75 55 70-74 2150 1380 1780
0.7 7 102 10.8 381
0.8 8 116 10 353
1 10 145 9.3 328
GAT-75A 0.6 6 87 16 565 102 75
0.7 7 102 14.2 501
0.8 8 116 14 494
1 10 145 13 459
1.3 13 189 9.5 335
GAT-90A 0.6 6 87 19 671 122 90 73-77 2800 1750 1900
0.7 7 102 18 636
0.8 8 116 16.5 583
1 10 145 16 565
1.3 13 189 13 459
GAT-110A 0.6 0.6 6 87 24 847 150 74-78
0.7 7 102 22 777
0.8 8 116 18.5 653
1 10 145 18 636
1.3 13 189 16 565
GAT-132A 0.6 6 87 26.5 936 179 132 75-79
0.7 7 101 26 918
0.8 8 116 23 812
1 10 145 22 777
1.3 13 189 18 636
GAT-160A 0.6 6 87 32.5 1148 217 160 3300 2050 2150
0.7 7 102 32 1130
0.8 8 116 28 989
1 10 145 26 918
1.3 13 189 22.5 794
GAT-185A 0.6 6 87 41 1148 251 185
0.7 7 101 37.92 1339
0.8 8 116 32.5 1148
1 10 145 31 1094
1.3 13 189 26 918
GAT-200A 0.6 0.6 6 87 43.8 1547 272 78-82
0.7 7 102 40.5 1430
0.8 8 116 37 1306
1 10 145 32.5 1148
1.3 13 189 30.5 1077
GAT-220A 0.6 6 87 49.5 1748 299 220
0.7 7 102 49 1730
0.8 8 116 41 1447
1 10 145 36.5 1289
1.3 13 189 32 1130
GAT-250A 0.6 6 87 56.5 1995 340 250 3850 2250 2060
0.7 7 102 54 1907
0.8 8 116 49 1730
1 10 145 40 1412
1.3 13 189 36 1271

Company Information

 

Packaging & Shipping

 

FAQ

 

 

Are you manufacturer?

ZIQI: Yes,we are professional air compressor manufacturer over 10 years and our factory located in ZheJiang .
How long is your air compressor warranty?
ZIQI: For 1 year.
Do you provide After- sales service parts?
ZIQI: Of course, We could provide easy- consumable spares.
How long could your air compressor be used?
ZIQI: Generally, more than 10 years.
How about your price?
ZIQI: Based on high quality, Our price is very competitive in this market all over the world.
How about your customer service?
ZIQI: For email, we could reply our customers’ emails within 2 hours.
Do you support OEM?
ZIQI: YES, and we also provide multiple models to select.

How to get quicker quotation?

When you send us inquiry, please confirm below information at the same time:
* What is the air displacement (m3/min,cfm/min)?
* What is the air pressure (mpa,bar,psi)?
* What is the voltage in your factory (v/p/Hz)?
* It is ok if you need air tank, air dryer and filters.
This information is helpful for us to check suitable equipment solution and quotation quickly.

 

Hot Products

Combined Screw Air Compressor 5hp Combined Screw Air Compressor 20hp Oil Free Scroll Air Compressor

 

Contact

Bob Cui | Overseas Sale Manager

ZIQI Compressor(ZheJiang )Co.,Ltd

Add:No.280,Wangwei West Rd.Fengjing Industrial Park, Xihu (West Lake) Dis.n Dist.,ZheJiang ,CN.

 

 

/* March 10, 2571 17:59:20 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1

After-sales Service: Online Support
Warranty: 1 Year
Lubrication Style: Lubricated
Cooling System: Air Cooling
Power Source: AC Power
Cylinder Position: Vertical
Customization:
Available

|

air compressor

How Do Gas Air Compressors Compare to Diesel Air Compressors?

When comparing gas air compressors to diesel air compressors, there are several factors to consider, including fuel efficiency, power output, cost, maintenance requirements, and environmental impact. Here’s a detailed explanation of how these two types of air compressors compare:

1. Fuel Efficiency:

Diesel air compressors are generally more fuel-efficient compared to gas air compressors. Diesel engines have higher energy density and better overall efficiency than gasoline engines. This means that diesel compressors can produce more work output per unit of fuel consumed, resulting in lower fuel costs and longer runtimes between refueling.

2. Power Output:

Diesel air compressors typically provide higher power output compared to gas air compressors. Diesel engines are known for their robustness and ability to generate higher torque, making them suitable for heavy-duty applications that require a larger volume of compressed air or higher operating pressures.

3. Cost:

In terms of upfront cost, gas air compressors are generally more affordable compared to diesel air compressors. Gasoline engines and components are typically less expensive than their diesel counterparts. However, it’s important to consider long-term costs, including fuel expenses and maintenance, which can vary depending on factors such as fuel prices and usage patterns.

4. Maintenance Requirements:

Diesel air compressors often require more regular maintenance compared to gas air compressors. This is because diesel engines have additional components such as fuel filters, water separators, and injector systems that need periodic servicing. Gas air compressors, on the other hand, may have simpler maintenance requirements, resulting in reduced maintenance costs and time.

5. Environmental Impact:

When it comes to environmental impact, diesel air compressors produce higher emissions compared to gas air compressors. Diesel engines emit more particulate matter, nitrogen oxides (NOx), and carbon dioxide (CO2) compared to gasoline engines. Gas air compressors, especially those powered by propane, tend to have lower emissions and are considered more environmentally friendly.

6. Portability and Mobility:

Gas air compressors are generally more portable and easier to move compared to diesel air compressors. Gasoline engines are typically lighter and more compact, making gas air compressors suitable for applications where mobility is essential, such as construction sites or remote locations.

It’s important to note that the specific requirements of the application and the availability of fuel sources also play a significant role in choosing between gas air compressors and diesel air compressors. Each type has its own advantages and considerations, and the choice should be based on factors such as the intended usage, operating conditions, budget, and environmental considerations.

In conclusion, gas air compressors are often more affordable, portable, and suitable for lighter applications, while diesel air compressors offer higher power output, fuel efficiency, and durability for heavy-duty operations. Consider the specific needs and factors mentioned above to determine the most appropriate choice for your particular application.

air compressor

Can Gas Air Compressors Be Used for Gas Line Maintenance?

Gas air compressors can be used for certain aspects of gas line maintenance, primarily for tasks that require compressed air. Here’s a detailed explanation:

1. Clearing Debris and Cleaning:

Gas air compressors can be utilized to clear debris and clean gas lines. Compressed air can be directed through the gas lines to dislodge and remove dirt, dust, rust particles, or other contaminants that may accumulate over time. This helps maintain the integrity and efficiency of the gas lines.

2. Pressure Testing:

Gas line maintenance often involves pressure testing to ensure the lines can withstand the required operating pressures. Gas air compressors can provide the necessary compressed air to pressurize the lines for testing purposes. By pressurizing the gas lines with compressed air, technicians can identify any leaks or weaknesses in the system.

3. Leak Detection:

Gas air compressors can also be used in conjunction with appropriate leak detection equipment to identify and locate gas leaks in the gas lines. Compressed air can be introduced into the lines, and the detection equipment can then identify any areas where the compressed air escapes, indicating a potential gas leak.

4. Valve and Equipment Maintenance:

Gas line maintenance may involve the inspection, maintenance, or replacement of valves and associated equipment. Compressed air can be used to clean and blow out debris from valves, purge lines, or assist in the disassembly and reassembly of components.

5. Pipe Drying:

Gas air compressors can aid in drying gas lines after maintenance or repairs. By blowing compressed air through the lines, any residual moisture can be removed, ensuring the gas lines are dry before being put back into service.

6. Precautions and Regulations:

When using gas air compressors for gas line maintenance, it is essential to follow safety precautions and adhere to relevant regulations. Gas line maintenance often involves working in hazardous environments, and proper training, equipment, and procedures must be followed to ensure the safety of personnel and the integrity of the gas system.

It is important to note that gas air compressors should not be used directly for pressurizing or transporting natural gas or other combustible gases. Gas line maintenance tasks involving gas air compressors primarily focus on using compressed air for specific maintenance and testing purposes, as outlined above.

In summary, gas air compressors can be useful for certain aspects of gas line maintenance, including clearing debris, pressure testing, leak detection, valve and equipment maintenance, and pipe drying. However, it is crucial to follow safety guidelines and regulations when working with gas lines and compressed air to ensure the safety and integrity of the gas system.

air compressor

Can Gas Air Compressors Be Used in Remote Locations?

Yes, gas air compressors are well-suited for use in remote locations where access to electricity may be limited or unavailable. Their portability and reliance on gas engines make them an ideal choice for providing a reliable source of compressed air in such environments. Here’s a detailed explanation of how gas air compressors can be used in remote locations:

1. Independence from Electrical Grid:

Gas air compressors do not require a direct connection to the electrical grid, unlike electric air compressors. This independence from the electrical grid allows gas air compressors to be used in remote locations, such as wilderness areas, remote job sites, or off-grid locations, where it may be impractical or cost-prohibitive to establish electrical infrastructure.

2. Mobility and Portability:

Gas air compressors are designed to be portable and easy to transport. They are often equipped with handles, wheels, or trailers, making them suitable for remote locations. The gas engine powering the compressor provides mobility, allowing the compressor to be moved to different areas within the remote location as needed.

3. Fuel Versatility:

Gas air compressors can be fueled by various types of combustible gases, including gasoline, diesel, natural gas, or propane. This fuel versatility ensures that gas air compressors can adapt to the available fuel sources in remote locations. For example, if gasoline or diesel is readily available, the gas air compressor can be fueled with these fuels. Similarly, if natural gas or propane is accessible, the compressor can be configured to run on these gases.

4. On-Site Power Generation:

In remote locations where electricity is limited, gas air compressors can serve as on-site power generators. They can power not only the compressor itself but also other equipment or tools that require electricity for operation. This versatility makes gas air compressors useful for a wide range of applications in remote locations, such as powering lights, tools, communication devices, or small appliances.

5. Off-Grid Operations:

Gas air compressors enable off-grid operations, allowing tasks and activities to be carried out in remote locations without relying on external power sources. This is particularly valuable in industries such as mining, oil and gas exploration, forestry, or construction, where operations may take place in remote and isolated areas. Gas air compressors provide the necessary compressed air for pneumatic tools, drilling equipment, and other machinery required for these operations.

6. Emergency Preparedness:

Gas air compressors are also beneficial for emergency preparedness in remote locations. In situations where natural disasters or emergencies disrupt the power supply, gas air compressors can provide a reliable source of compressed air for essential equipment and systems. They can power emergency lighting, communication devices, medical equipment, or backup generators, ensuring operational continuity in critical situations.

7. Adaptability to Challenging Environments:

Gas air compressors are designed to withstand various environmental conditions, including extreme temperatures, humidity, dust, and vibrations. This adaptability to challenging environments makes them suitable for use in remote locations, where environmental conditions may be harsh or unpredictable.

Overall, gas air compressors can be effectively used in remote locations due to their independence from the electrical grid, mobility, fuel versatility, on-site power generation capabilities, suitability for off-grid operations, emergency preparedness, and adaptability to challenging environments. These compressors provide a reliable source of compressed air, enabling a wide range of applications in remote settings.

China Standard 37kw 50HP Highly AC New AC Variable Displacement Twin Stage Electric Stationary Air Cooling/Water Cooling Quiet Rotary Type Screw Gas Air Compressors Industrial   air compressor lowesChina Standard 37kw 50HP Highly AC New AC Variable Displacement Twin Stage Electric Stationary Air Cooling/Water Cooling Quiet Rotary Type Screw Gas Air Compressors Industrial   air compressor lowes
editor by CX 2024-02-14

China OEM Refrigeration Unit with Frascold Screw 2 Compressors 60HP air compressor lowes

Product Description

60HP Refrigeration unit with Frascold screw compressors 

Zhexue brand MFRLG series products are applicable to the large size -30ºC~-50ºC low temperature refrigeration system, as the large size low temperature cold rooms, ice making, and blast freezing etc.,

Features:
1.Reliable system: famous brand compressor, PLC controller, high efficient oil separating system ,
2.German bitzer  low temperature screw compressor, with the features of high efficiency, long service life, tiny vibration and low noise
3.this series products have a complete set of world famous components, protection devices for compressor wrong direction, over heat, over load, over discharging temperature, low oil level, over high/low pressure of oil flow etc.
4.the unit is matched with economizer, which can effectively increase the capacity for low temperature operation.

Model Description:
M BZ LG F 2-S 100 / J Y
M: MEOJILE products
BZ: compressor brad   BZ: Bitzer
                                     HZ: Hanbell
                                      FS: FUSHENG
                                      RF: RefComp
                                      FR: Frascold
LG: Compressor type   LG: screw compressor
                                      BF:piston compressor
                                      WX: scroll compressor
F: condenser type      F: air cooled/ Evaporative condenser
                                   W: water cooled
2: compressor qty
S:  S: 2 stage compressor  /: single compressor
100: HP
J :  room temperature range  H: (+5~+20ºC)
                                              M:(-10~+5ºC)
                                               L: (-30~-10ºC)
                                               J: (-50~-30ºC)
Main Components :

Compressor, condenser , pressure controller, pressure oil gauge, pressure sensor,filter vat filter core, liquid angle valve , accumulator, suction check valve, oil separator , oil safety valve, oil pipe ball valve, oil cooler, oil cooler valves, filter, oil dry filter, filter core, solenoid valve, economizer, sight glass, expansion valve,touch screen, LP sensor , PLC controller, CHINAMFG HMI.
 

Specification: 
 

Refrigeration unit with Frascold screw compressors 
 Unit model MFRLGF2-                       60(L)JY MFRLGF2-               80(L)JY MFRLGF2-              100(L)JY MFRLGF2-             120(L)JY MFRLGF2-               140(L)JY
Refrigerant R507(R404A)
Power supply 380V/3P/50HZ
Compressor Model FVR-L-30-120Y FVR-L-40-140Y FVR-L-50-160Y FVR-L-60-200Y FVR-L-70-230Y
Qty 2 2 2 2 2
Evaporating Temperature -50ºC~-10ºC
Evap. Temp -25ºC Cooling capacity(KW) 106.2 126.6 143.6 191.8 220.4
-25ºC Power input(KW) 58 67 75.2 100 113.2
-42ºC Cooling capacity(KW) 50.2 61.6 70 92.4 105.6
-42ºC Power input(KW) 50.4 56.6 61 83.4 91.8
 Liquid pipe(mm) Φ28 Φ35 Φ35 Φ42 Φ42
 Suction pipe(mm) DN80 DN80 DN80 DN100 DN100
  Oil separator outlet(mm) DN50 DN50 DN50 DN65 DN65
Receiver inlet(mm) Φ35 DN40 DN40 DN50 DN50
 Overall size L(mm) 2600 2600 2600 2600 2600
W(mm) 1950 1950 1950 1950 1950
H(mm) 1800 1800 1800 1800 1800
cooling capacity and power are set based on condensing temperature of 35ºC,used for evaporation condenser.

Refrigeration unit with Frascold screw compressors 
 Unit model MFRLGF2-
160(L)JY
MFRLGF2-
180(L)JY
MFRLGF2-
200(L)JY
MFRLGF2-
220(L)JY
MFRLGF2-
250(L)JY
MFRLGF2-
320(L)JY
Refrigerant R507(R404A)
Power supply 380V/3P/50HZ
Compressor Model FVR-L-80-270Y FVR-L-90-300Y FVR-L-100-350Y FVR-L-110-380Y FVR-L-125-430Y FVR-L-160-540Y
Qty 2 2 2 2 2 2
Evaporating Temperature -50ºC~-10ºC
Evap. Temp -25ºC Cooling capacity(KW) 253.8 284.6 325.2 344.4 406.6 480.2
-25ºC Power input(KW) 128 146.8 162.4 173.2 202.8 245.2
-42ºC Cooling capacity(KW) 125 137.8 157.2 167.8 194.6 232.2
-42ºC Power input(KW) 106.4 118.8 132.6 143.4 166.6 210.8
 Liquid pipe(mm) Φ42 DN50 DN50 DN50 DN50 DN50
 Suction pipe(mm) DN100 DN125 DN125 DN125 DN150 DN150
  Oil separator outlet(mm) DN65 DN80 DN80 DN80 DN80 DN80
Receiver inlet(mm) DN50 DN65 DN65 DN65 DN65 DN65
 Overall size L(mm) 2600 2600 2600 2600 3200 3200
W(mm) 1950 1950 1950 1950 2100 2100
H(mm) 1800 1800 1800 1800 2200 2200
cooling capacity and power are set based on condensing temperature of 35ºC,used for evaporation condenser.

  /* March 10, 2571 17:59:20 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1

After-sales Service: Oversea Aftersales Is Available
Warranty: 12 Months
Principle: Screw Compressor
Samples:
US$ 5000/Set
1 Set(Min.Order)

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Order Sample

Customization:
Available

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Shipping Cost:

Estimated freight per unit.







about shipping cost and estimated delivery time.
Payment Method:







 

Initial Payment



Full Payment
Currency: US$
Return&refunds: You can apply for a refund up to 30 days after receipt of the products.

air compressor

What Industries Commonly Use Screw Compressors?

Screw compressors are widely used in various industries due to their efficiency, reliability, and versatility. Here’s a detailed overview of the industries that commonly utilize screw compressors:

  • 1. Manufacturing: Screw compressors find extensive use in manufacturing industries such as automotive, aerospace, electronics, and appliances. They are employed for applications such as powering pneumatic tools, operating production lines, providing compressed air for painting, and controlling automated processes.
  • 2. Oil and Gas: The oil and gas industry extensively utilizes screw compressors for various purposes. They are employed in upstream operations for natural gas gathering, gas lift systems, and wellhead compression. In downstream operations, screw compressors are used in refining processes, gas transmission, and storage facilities.
  • 3. Chemical and Petrochemical: Screw compressors play a crucial role in chemical and petrochemical industries. They are used for compressing gases in chemical reactions, providing instrument air for control systems, powering pneumatic conveying systems, and handling various process gases in refining and production processes.
  • 4. Food and Beverage: Screw compressors are employed in the food and beverage industry for applications such as refrigeration, freezing, and air supply for packaging processes. They help maintain optimal temperature and humidity conditions, ensuring the quality and safety of food and beverage products.
  • 5. Pharmaceutical and Healthcare: Screw compressors are utilized in pharmaceutical manufacturing facilities, research laboratories, and healthcare institutions. They provide clean, oil-free compressed air for critical processes, such as pharmaceutical production, medical device manufacturing, and laboratory analysis. High-quality compressed air is essential to meet stringent quality and regulatory standards in these industries.
  • 6. Power Generation: Screw compressors find applications in power generation facilities, including gas turbine power plants, combined heat and power (CHP) systems, and cogeneration plants. They are used for inlet air compression, fuel gas boosting, and other compressed air requirements in power generation processes.
  • 7. Construction and Mining: Screw compressors are widely used in construction and mining industries for powering pneumatic tools, drilling equipment, and material handling systems. They provide the necessary compressed air for efficient and reliable operation in demanding construction and mining environments.
  • 8. Municipal and Wastewater Treatment: Screw compressors are utilized in municipal water treatment and wastewater treatment plants. They play a vital role in aeration processes, where compressed air is introduced into water or wastewater to promote biological treatment and ensure effective removal of contaminants.
  • 9. Printing and Packaging: Screw compressors are employed in printing and packaging industries for applications such as air drying, air cushioning, and powering pneumatic systems in printing presses and packaging machinery. They ensure consistent and reliable compressed air supply for efficient production processes.
  • 10. Automotive and Transportation: Screw compressors are used in automotive and transportation industries for applications such as air conditioning systems in vehicles, pneumatic braking systems, and compressed air supply for tire inflation and maintenance.

These are just a few examples, and screw compressors find applications in numerous other industries, including textiles, plastics, pulp and paper, steel and metal fabrication, electronics manufacturing, and more. The versatility and reliability of screw compressors make them a popular choice across a wide range of industrial sectors.

air compressor

What Is the Role of Control Systems in Screw Compressor Operation?

Control systems play a crucial role in the operation of screw compressors. Here’s a detailed explanation:

Screw compressors are complex machines that require precise control and monitoring for optimal performance and efficiency. Control systems provide the necessary intelligence and automation to regulate various aspects of screw compressor operation. Here are the key roles of control systems:

1. Start-up and Shutdown Control:

Control systems manage the start-up and shutdown sequences of screw compressors. During start-up, the control system ensures a gradual ramp-up of motor speed and system pressure to prevent sudden surges and excessive wear on components. During shutdown, it safely brings the compressor to a stop and performs necessary cooling and ventilation processes.

2. Load and Unload Control:

Screw compressors often feature load and unload operation to match compressed air supply with demand. The control system monitors system pressure, flow requirements, and other parameters to determine when to load or unload the compressor. It engages or disengages the compressor’s capacity control mechanism, such as inlet modulation valves or variable-speed drives, to maintain optimal operation at varying loads.

3. Pressure Control:

Control systems regulate the discharge pressure of screw compressors. They continuously monitor the system pressure and adjust compressor operation to maintain the desired pressure setpoint. The control system modulates the compressor’s capacity, adjusts the speed of the drive motor, or controls the opening and closing of inlet or discharge valves to achieve the target pressure.

4. Temperature Control:

Control systems monitor and control various temperature parameters within the screw compressor system. They ensure that the compressor operates within safe temperature limits by monitoring coolant temperatures, lubricant temperatures, and interstage or discharge temperatures. If temperature limits are exceeded, the control system may activate cooling mechanisms, adjust operating parameters, or trigger alarms and shutdowns to prevent damage.

5. Monitoring and Protection:

Control systems provide comprehensive monitoring and protection functions for screw compressors. They continuously collect data from various sensors and instruments, such as pressure sensors, temperature sensors, vibration sensors, and current sensors. The control system analyzes this data to detect abnormalities, malfunctions, or potential failures. It can initiate alarms, shutdowns, or safety interlocks to protect the compressor and associated equipment.

6. Energy Management:

Control systems optimize energy efficiency in screw compressor operation. They analyze system demand, performance characteristics, and energy consumption to make intelligent decisions regarding load modulation, capacity control, and motor speed adjustments. By optimizing the compressor’s operation, the control system helps reduce energy consumption, operating costs, and environmental impact.

7. Remote Monitoring and Control:

Modern control systems often offer remote monitoring and control capabilities. They can be integrated into supervisory control and data acquisition (SCADA) systems or connected to networked platforms. Remote access allows operators to monitor compressor performance, adjust operating parameters, receive alarms, and perform diagnostics from a central control room or via mobile devices.

In summary, control systems play a vital role in the operation of screw compressors by providing intelligent control, monitoring, and protection. They manage start-up and shutdown sequences, regulate load and unload operation, control pressure and temperature, monitor system parameters, optimize energy efficiency, and enable remote monitoring and control. By effectively managing the compressor’s operation, control systems contribute to reliable performance, energy efficiency, and overall system optimization.

air compressor

What Are the Maintenance Requirements for Screw Compressors?

Screw compressors require regular maintenance to ensure optimal performance, reliability, and longevity. Here’s a detailed overview of the maintenance requirements for screw compressors:

  • 1. Lubrication: Screw compressors rely on proper lubrication to reduce friction, minimize wear, and maintain efficient operation. Regular lubrication of the rotor bearings, seals, and other moving parts is essential. The type and frequency of lubrication may vary depending on the compressor’s design and manufacturer’s recommendations.
  • 2. Filter Replacement: Screw compressors have intake filters that prevent dust, debris, and contaminants from entering the compression chamber. These filters need to be inspected regularly and replaced or cleaned as necessary to ensure unrestricted airflow and prevent damage to the compressor components.
  • 3. Cooling System Maintenance: Screw compressors may have cooling systems, such as air or water coolers, to dissipate heat generated during compression. The cooling system should be inspected periodically, and any blockages or leaks should be addressed promptly to maintain optimal cooling efficiency.
  • 4. Inspection of Belts and Couplings: If the screw compressor is belt-driven or connected through couplings, regular inspection of belts, pulleys, and couplings is necessary. Worn or damaged belts should be replaced, and couplings should be checked for alignment and tightness to ensure smooth power transmission.
  • 5. Cleaning of Heat Exchangers: Heat exchangers in screw compressors, such as intercoolers and aftercoolers, can accumulate dirt, scale, and other deposits over time. Regular cleaning of these heat exchangers is important to maintain their heat transfer efficiency and prevent overheating of the compressed air or gas.
  • 6. Inspection of Seals and Gaskets: The seals and gaskets in a screw compressor play a critical role in maintaining proper compression and preventing air or gas leakage. Regular inspection of these components is necessary to detect any signs of wear, damage, or leakage. Faulty seals or gaskets should be replaced promptly to maintain the compressor’s efficiency.
  • 7. Regular Performance Testing: Periodic performance testing of screw compressors is recommended to assess their operating parameters, such as discharge pressure, flow rate, and power consumption. This helps identify any deviations from the expected performance and allows for adjustments or repairs as needed.

It’s important to note that the specific maintenance requirements for screw compressors may vary depending on the compressor’s design, manufacturer’s recommendations, operating conditions, and usage. Consulting the compressor’s manual and following the manufacturer’s guidelines is crucial for maintaining the compressor effectively and ensuring its reliable operation over time.

China OEM Refrigeration Unit with Frascold Screw 2 Compressors 60HP   air compressor lowesChina OEM Refrigeration Unit with Frascold Screw 2 Compressors 60HP   air compressor lowes
editor by CX 2024-02-14

China Custom 22kw 30HP Direct Driven Screw Air Compressor (SGD22) lowes air compressor

Product Description

Model SGD 22
Type of Cooling   Air Cooling/Water cooling
Working Pressure psig 102 116 145 174
bar 7 8 10 12
Air Delivery cfm 134.2 127.1 113.0 95.3
m3/min 3.8 3.6 3.2 2.4
Motor Power kw/hp 22/30
Starting Mode    Y-Δ
Type of Driving   Driect driven
Dimension(mm) L 1380
W 850
H 1185
Weight KG 450
Air Outlet Pipe
Diameter
   1″
Voltage   380V / 3PH / 50HZ / 60HZ
220V / 3PH / 50HZ / 60HZ
440V / 3PH / 50HZ / 60HZ
415V / 3PH / 50HZ / 60HZ
Can be customized
Exhaust Oil Volum   <3ppm
Noise db 65±2
Outlet Air Humidity ºC ambient temperature+15ºC

Technical Data of Direct Drive Electric Motor Screw Air Compressors

Model Working Pressure Capacity Motor Power Driven Method Cooling Method Dimension(mm) Net Weight Air Outlet Pipe Diameter
Psi bar Cfm m3/min kw/hp L W H KGS
SGD08 102 7 42.4 1.2 7.5/10 Direct Drive Air Cooling
/
Water Cooling
900 670 850 200 1/2”
116 8 38.8 1.1
145 10 33.5 0.95
174 12 28.3 0.8
SGD11 102 7 58.3 1.65 11/15 1080 750 1571 280 3/4”
116 8 53 1.5
145 10 45.9 1.3
174 12 38.8 1.1
SGD15 102 7 88.3 2.5 15/20 1080 750 1571 300 3/4”
116 8 81.2 2.3
145 10 74.2 2.1
174 12 67.1 1.9
SGD18 102 7 113 3.2 18.5/25 1380 850 1185 430 1”
116 8 105.9 3
145 10 95.3 2.7
174 12 84.7 2.4
SGD22 100 7 134.2 3.8 22/30 1380 850 1185 450 1”
116 8 127.1 3.6
145 10 113 3.2
174 12 95.3 2.7
SGD30 102 7 187.1 5.3 30/40 1380 850 1185 500 1”
116 8 176.6 5
145 10 158.9 4.5
174 12 141.2 4
SGD37 102 7 240.1 6.8 37/50 1500 1000 1345 650 11/2″
116 8 218.9 6.2
145 10 197.7 5.6
174 12 176.6 5
SGD45 102 7 261.3 7.4 45/60 1500 1000 1345 680 11/2″
116 8 247.2 7
145 10 218.9 6.2
174 12 197.7 5.6
SGD55 102 7 353.1 10 55/75 1800 1250 1670 1150 2″
116 8 339 9.6
145 10 300.1 8.5
174 12 268.4 7.6
SGD75 102 7 473.2 13.4 75/100 1800 1250 1670 1200 2″
116 8 444.9 12.6
145 10 395.5 11.2
174 12 353.1 10
SGD90 102 7 572 16.2 90/120 1800 1250 1670 1350 2″
116 8 529.7 15
145 10 487.3 13.8
174 12 434.3 12.3
SGD110 102 7 741.5 21 110/150 2300 1470 1840 1800 2 1/2”
116 8 699.1 19.8
145 10 614.4 17.4
174 12 522.6 14.8
SGD132 102 7 865.1 24.5 132/175 2300 1470 1840 1850 2 1/2”
116 8 819.2 23.2
145 10 723.9 20.5
174 12 614.4 17.4
SGD160 102 7 1013.4 28.7 160/200 2300 1470 1840 2000 2 1/2”
116 8 974.6 27.6
145 10 868.6 24.6
174 12 759.2 21.5
SGD185 102 7 1129.9 32 185/250 3150 1980 2152 3500 DN85
116 8 1073.4 30.4
145 10 967.5 27.4
174 12 875.7 24.8
SGD220 102 7 1271.2 36 220/300 3150 1980 2152 3800 DN85
116 8 1211.1 34.3
145 10 1066.4 30.2
174 12 978.1 27.7
SGD250 102 7 1483 42 250/350 3150 1980 2152 4000 DN85
116 8 1430.1 40.5
145 10 1348.8 38.2
174 12 1218.2 34.5
SGD315 102 7 1800.8 51 315/430 4000 1980 2152 6000 DN110
116 8 1772.6 50.2
145 10 1571.3 44.5
174 12 1412.4 40
SGD355 102 7 2259.8 64 355/480 4000 1980 2152 6500 DN110
116 8 2153.9 61
145 10 1995 56.5
174 12 1730.2 49


Q1: What is the rotor speed for the air end?
A1: 2980rmp.

Q2: What’s your lead time?
A2: usually, 5-7 days. (OEM orders: 15days)

Q3: Can you offer water cooled air compressor?
A3: Yes, we can (normally, air cooled type).

Q4: What’s the payment term?
A4: T/T, L/C, Western Union, etc. Also we could accept USD, RMB, and other currency.

Q5: Do you accept customized voltage?
A5: Yes. 380V/50Hz/3ph, 380V/60Hz/3ph, 220V/50Hz/3ph, 220V/60Hz/3ph, 440V/50Hz/3ph, 440V/60Hz/3ph, or as per your requests.

Q6: What is your warranty for air compressor?
A6: One year for the whole air compressor(not including the consumption spare parts) and technical supports can be provided according to your needs.

Q7: Can you accept OEM orders?
A7: Yes, OEM orders are warmly welcome.

Q8: How about your customer service and after-sales service?
A8: 24hrs on-line support, 48hrs problem solved promise.

Q9: Do you have spare parts in stock?
A9: Yes, we do.

Q10: What kind of initial lubrication oil you used in air compressor?
A10: TOTAL 46# mineral oil.

  /* March 10, 2571 17:59:20 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1

Lubrication Style: Lubricated
Cooling System: Air Cooling
Power Source: AC Power
Cylinder Position: Vertical
Structure Type: Closed Type
Installation Type: Stationary Type
Customization:
Available

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air compressor

What Is the Noise Level of Screw Compressors?

The noise level of screw compressors can vary depending on several factors, including the compressor’s size, design, operating conditions, and the presence of noise-reducing features. Here’s a detailed explanation:

Screw compressors are known for their relatively low noise levels compared to other types of compressors, such as reciprocating compressors. However, the actual noise level can still vary depending on the specific compressor model and its operating parameters.

The noise level of screw compressors is typically measured in decibels (dB) and can range from around 60 dB to 90 dB or higher. It’s important to note that the noise level is logarithmic, meaning that a small increase in decibel level represents a significant increase in perceived noise intensity.

Several factors can influence the noise level of screw compressors:

  • 1. Compressor Size and Design: Larger screw compressors tend to produce higher noise levels compared to smaller ones. This is because larger compressors generally have more powerful motors and larger rotating components, which can generate more noise. The design of the compressor, including the type of rotor profiles and the presence of noise-reducing features, can also impact the noise level.
  • 2. Operating Conditions: The operating conditions of the compressor, such as the speed of rotation and the discharge pressure, can affect the noise level. Higher speeds and pressures may result in increased noise production. Additionally, the presence of pulsations or vibrations in the system can contribute to noise generation.
  • 3. Sound Insulation and Enclosures: Some screw compressors come with built-in sound insulation or enclosures to reduce noise levels. These features help contain the noise within the compressor unit and minimize the propagation of noise to the surrounding environment. Compressors equipped with sound insulation or enclosures generally have lower noise levels compared to open-frame compressors.
  • 4. Installation and Surrounding Environment: The installation of the compressor and the characteristics of the surrounding environment can influence the perceived noise level. Factors such as the proximity of the compressor to sensitive areas, the presence of sound-absorbing materials, and the layout of the facility can impact the noise propagation and overall noise perception.
  • 5. Maintenance and Wear: Proper maintenance of the compressor, including regular inspection and lubrication of components, can help minimize noise levels. Wear and tear on the compressor’s internal parts can lead to increased noise production, so timely repairs or component replacements are important to maintain optimal performance and minimize noise.

It’s worth noting that noise levels are typically provided by manufacturers as specifications for each compressor model. These specifications can help users select compressors with noise levels that meet their specific requirements or comply with local noise regulations.

In summary, the noise level of screw compressors can range from around 60 dB to 90 dB or higher, depending on factors such as compressor size, design, operating conditions, and the presence of noise-reducing features. Proper installation, maintenance, and the use of sound insulation or enclosures can help minimize noise levels and create a more comfortable and quieter operating environment.

air compressor

How Do Screw Compressors Contribute to Energy Savings?

Screw compressors offer several features and advantages that contribute to energy savings. Here’s a detailed explanation:

1. Efficient Compression Process:

Screw compressors are known for their efficiency in compressing air or gas. They use a unique rotary screw design, where two intermeshing screws rotate to compress the air. This design provides continuous and smooth compression, resulting in less energy loss compared to other compression technologies, such as reciprocating compressors. The efficient compression process of screw compressors helps reduce energy consumption.

2. Load and Unload Operation:

Screw compressors often incorporate load and unload operation, also known as capacity control. This feature allows the compressor to match its output to the actual demand for compressed air. During periods of lower demand, the compressor unloads by disengaging some of its capacity. This reduces power consumption since the compressor is not operating at full load continuously. By adjusting the compressor’s output to match the required air flow, load and unload operation helps save energy.

3. Variable Speed Drive (VSD) Technology:

Many screw compressors are equipped with Variable Speed Drive (VSD) technology. A VSD allows the compressor’s motor speed to be adjusted according to the demand for compressed air. By running the compressor at lower speeds during periods of lower demand, the energy consumption can be significantly reduced. The VSD technology enables precise control over the compressor’s output, resulting in energy savings and improved efficiency.

4. Air Leakage Reduction:

A common source of energy loss in compressed air systems is air leakage. Screw compressors are designed to minimize air leakage through improved sealing mechanisms and enhanced construction materials. By reducing air leakage, the compressor can operate more efficiently, as less energy is wasted in compressing air that escapes before reaching the intended point of use. Regular maintenance and monitoring practices help identify and address air leakage issues, further contributing to energy savings.

5. Integrated Energy Recovery:

In certain applications, screw compressors can be configured to recover and utilize the heat generated during the compression process. This recovered heat can be used for various purposes, such as space heating, preheating process air or water, or powering other thermal processes. By utilizing the recovered heat energy, screw compressors enhance overall energy efficiency and reduce the need for additional heating systems.

6. System Optimization and Controls:

Screw compressors often feature advanced control systems that optimize their operation for energy efficiency. These control systems monitor various parameters, such as system pressure, air demand, and temperature, and adjust the compressor’s operation accordingly. By continuously analyzing the system requirements and making intelligent adjustments, the control systems help minimize energy waste and maintain optimal performance.

7. Maintenance and Proper Operation:

Regular maintenance and proper operation of screw compressors are essential for maximizing energy savings. Routine maintenance activities, such as cleaning air filters, checking lubrication levels, and inspecting and repairing leaks, ensure the compressor operates at peak efficiency. Additionally, proper operation practices, such as avoiding excessive idling or overloading, contribute to energy savings and prolong the compressor’s lifespan.

In summary, screw compressors contribute to energy savings through their efficient compression process, load and unload operation, variable speed drive technology, air leakage reduction, integrated energy recovery, system optimization, and proper maintenance and operation. By utilizing these features and implementing energy-conscious practices, industries can significantly reduce energy consumption and lower operating costs in compressed air systems.

air compressor

How Does a Screw Compressor Work?

A screw compressor operates based on a unique rotary positive displacement principle. Here’s a detailed explanation:

Working Principle:

A screw compressor consists of two helical rotors, typically referred to as male and female rotors, that rotate in opposite directions within a housing. The rotors have specially designed profiles that interlock with each other, creating a series of compression chambers as they rotate. The compression chambers gradually reduce in volume as the rotors rotate, compressing the air or gas trapped inside.

Suction Process:

The suction process begins when the rotors start rotating. As they rotate, the helical lobes or threads on the rotors create expanding spaces between them. The expanding spaces draw in the air or gas from the inlet port, allowing it to enter the compression chamber. The suction process continues as the rotors rotate, and the expanding spaces move the air or gas towards the discharge side of the compressor.

Compression Process:

As the air or gas enters the compression chamber, it gets trapped between the interlocking lobes or threads of the rotors. As the rotors continue to rotate, the trapped air or gas is carried along the length of the rotors. The volume of the compression chamber gradually decreases as the lobes or threads of the rotors intermesh, compressing the air or gas. The compression process is continuous and smooth as the air or gas moves from the suction side to the discharge side of the compressor.

Discharge Process:

Once the air or gas reaches the discharge end of the compression chamber, it is pushed towards the outlet port. The compressed air or gas is then released from the compressor through the outlet port to be used for various applications.

Oil-Injected and Oil-Free Variants:

Screw compressors are available in both oil-injected and oil-free variants. In oil-injected screw compressors, a small amount of lubricating oil is injected into the compression chamber. The oil provides lubrication, cooling, and sealing between the rotors, reducing friction and minimizing wear. The oil-injected variant is commonly used in industrial applications where a small amount of oil in the compressed air is acceptable.

Oil-free screw compressors, on the other hand, are designed to operate without the need for oil lubrication. These compressors use specialized rotor coatings, such as PTFE (polytetrafluoroethylene) or other non-stick materials, to reduce friction and eliminate the need for oil. Oil-free screw compressors are preferred in applications that require oil-free and contaminant-free compressed air, such as in the food and beverage, pharmaceutical, and electronics industries.

In summary, a screw compressor works by utilizing interlocking helical rotors to compress air or gas. The rotating rotors draw in the air or gas during the suction process, and as they rotate, the trapped air or gas is compressed within the compression chamber. The compressed air or gas is then discharged from the compressor. Screw compressors are available in oil-injected and oil-free variants, catering to different application requirements.

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editor by CX 2024-02-13